20699681600

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{467}}^1\times {\mathrm{2131}}^1$

素因数の和:2633

約数の個数: 168

約数和(自身を含む): 54995417568

約数和(自身を除く): 34295735968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 200, 208, 260, 320, 325, 400, 416, 467, 520, 650, 800, 832, 934, 1040, 1300, 1600, 1868, 2080, 2131, 2335, 2600, 3736, 4160, 4262, 4670, 5200, 6071, 7472, 8524, 9340, 10400, 10655, 11675, 12142, 14944, 17048, 18680, 20800, 21310, 23350, 24284, 27703, 29888, 30355, 34096, 37360, 42620, 46700, 48568, 53275, 55406, 60710, 68192, 74720, 85240, 93400, 97136, 106550, 110812, 121420, 136384, 138515, 149440, 151775, 170480, 186800, 194272, 213100, 221624, 242840, 277030, 303550, 340960, 373600, 388544, 426200, 443248, 485680, 554060, 607100, 681920, 692575, 747200, 852400, 886496, 971360, 995177, 1108120, 1214200, 1385150, 1704800, 1772992, 1942720, 1990354, 2216240, 2428400, 2770300, 3409600, 3980708, 4432480, 4856800, 4975885, 5540600, 7961416, 8864960, 9713600, 9951770, 11081200, 12937301, 15922832, 19903540, 22162400, 24879425, 25874602, 31845664, 39807080, 44324800, 49758850, 51749204, 63691328, 64686505, 79614160, 99517700, 103498408, 129373010, 159228320, 199035400, 206996816, 258746020, 318456640, 323432525, 398070800, 413993632, 517492040, 646865050, 796141600, 827987264, 1034984080, 1293730100, 1592283200, 2069968160, 2587460200, 4139936320, 5174920400, 10349840800, 20699681600]

約数ペア:

[(1, 20699681600), (2, 10349840800), (4, 5174920400), (5, 4139936320), (8, 2587460200), (10, 2069968160), (13, 1592283200), (16, 1293730100), (20, 1034984080), (25, 827987264), (26, 796141600), (32, 646865050), (40, 517492040), (50, 413993632), (52, 398070800), (64, 323432525), (65, 318456640), (80, 258746020), (100, 206996816), (104, 199035400), (130, 159228320), (160, 129373010), (200, 103498408), (208, 99517700), (260, 79614160), (320, 64686505), (325, 63691328), (400, 51749204), (416, 49758850), (467, 44324800), (520, 39807080), (650, 31845664), (800, 25874602), (832, 24879425), (934, 22162400), (1040, 19903540), (1300, 15922832), (1600, 12937301), (1868, 11081200), (2080, 9951770), (2131, 9713600), (2335, 8864960), (2600, 7961416), (3736, 5540600), (4160, 4975885), (4262, 4856800), (4670, 4432480), (5200, 3980708), (6071, 3409600), (7472, 2770300), (8524, 2428400), (9340, 2216240), (10400, 1990354), (10655, 1942720), (11675, 1772992), (12142, 1704800), (14944, 1385150), (17048, 1214200), (18680, 1108120), (20800, 995177), (21310, 971360), (23350, 886496), (24284, 852400), (27703, 747200), (29888, 692575), (30355, 681920), (34096, 607100), (37360, 554060), (42620, 485680), (46700, 443248), (48568, 426200), (53275, 388544), (55406, 373600), (60710, 340960), (68192, 303550), (74720, 277030), (85240, 242840), (93400, 221624), (97136, 213100), (106550, 194272), (110812, 186800), (121420, 170480), (136384, 151775), (138515, 149440)]