20190657280

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{1621}}^1$

素因数の和:1942

約数の個数: 144

約数和(自身を含む): 49889657664

約数和(自身を除く): 29699000384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 263, 296, 320, 370, 526, 592, 640, 740, 1052, 1184, 1280, 1315, 1480, 1621, 2104, 2368, 2630, 2960, 3242, 4208, 4736, 5260, 5920, 6484, 8105, 8416, 9472, 9731, 10520, 11840, 12968, 16210, 16832, 19462, 21040, 23680, 25936, 32420, 33664, 38924, 42080, 47360, 48655, 51872, 59977, 64840, 67328, 77848, 84160, 97310, 103744, 119954, 129680, 155696, 168320, 194620, 207488, 239908, 259360, 299885, 311392, 336640, 389240, 414976, 426323, 479816, 518720, 599770, 622784, 778480, 852646, 959632, 1037440, 1199540, 1245568, 1556960, 1705292, 1919264, 2074880, 2131615, 2399080, 2491136, 3113920, 3410584, 3838528, 4263230, 4798160, 6227840, 6821168, 7677056, 8526460, 9596320, 12455680, 13642336, 15354112, 15773951, 17052920, 19192640, 27284672, 31547902, 34105840, 38385280, 54569344, 63095804, 68211680, 76770560, 78869755, 109138688, 126191608, 136423360, 157739510, 252383216, 272846720, 315479020, 504766432, 545693440, 630958040, 1009532864, 1261916080, 2019065728, 2523832160, 4038131456, 5047664320, 10095328640, 20190657280]

約数ペア:

[(1, 20190657280), (2, 10095328640), (4, 5047664320), (5, 4038131456), (8, 2523832160), (10, 2019065728), (16, 1261916080), (20, 1009532864), (32, 630958040), (37, 545693440), (40, 504766432), (64, 315479020), (74, 272846720), (80, 252383216), (128, 157739510), (148, 136423360), (160, 126191608), (185, 109138688), (256, 78869755), (263, 76770560), (296, 68211680), (320, 63095804), (370, 54569344), (526, 38385280), (592, 34105840), (640, 31547902), (740, 27284672), (1052, 19192640), (1184, 17052920), (1280, 15773951), (1315, 15354112), (1480, 13642336), (1621, 12455680), (2104, 9596320), (2368, 8526460), (2630, 7677056), (2960, 6821168), (3242, 6227840), (4208, 4798160), (4736, 4263230), (5260, 3838528), (5920, 3410584), (6484, 3113920), (8105, 2491136), (8416, 2399080), (9472, 2131615), (9731, 2074880), (10520, 1919264), (11840, 1705292), (12968, 1556960), (16210, 1245568), (16832, 1199540), (19462, 1037440), (21040, 959632), (23680, 852646), (25936, 778480), (32420, 622784), (33664, 599770), (38924, 518720), (42080, 479816), (47360, 426323), (48655, 414976), (51872, 389240), (59977, 336640), (64840, 311392), (67328, 299885), (77848, 259360), (84160, 239908), (97310, 207488), (103744, 194620), (119954, 168320), (129680, 155696)]