105001000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:272

約数の個数: 128

約数和(自身を含む): 272432160

約数和(自身を除く): 167431160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 41, 50, 52, 65, 82, 100, 104, 125, 130, 164, 197, 200, 205, 250, 260, 325, 328, 394, 410, 500, 520, 533, 650, 788, 820, 985, 1000, 1025, 1066, 1300, 1576, 1625, 1640, 1970, 2050, 2132, 2561, 2600, 2665, 3250, 3940, 4100, 4264, 4925, 5122, 5125, 5330, 6500, 7880, 8077, 8200, 9850, 10244, 10250, 10660, 12805, 13000, 13325, 16154, 19700, 20488, 20500, 21320, 24625, 25610, 26650, 32308, 39400, 40385, 41000, 49250, 51220, 53300, 64025, 64616, 66625, 80770, 98500, 102440, 105001, 106600, 128050, 133250, 161540, 197000, 201925, 210002, 256100, 266500, 320125, 323080, 403850, 420004, 512200, 525005, 533000, 640250, 807700, 840008, 1009625, 1050010, 1280500, 1615400, 2019250, 2100020, 2561000, 2625025, 4038500, 4200040, 5250050, 8077000, 10500100, 13125125, 21000200, 26250250, 52500500, 105001000]

約数ペア:

[(1, 105001000), (2, 52500500), (4, 26250250), (5, 21000200), (8, 13125125), (10, 10500100), (13, 8077000), (20, 5250050), (25, 4200040), (26, 4038500), (40, 2625025), (41, 2561000), (50, 2100020), (52, 2019250), (65, 1615400), (82, 1280500), (100, 1050010), (104, 1009625), (125, 840008), (130, 807700), (164, 640250), (197, 533000), (200, 525005), (205, 512200), (250, 420004), (260, 403850), (325, 323080), (328, 320125), (394, 266500), (410, 256100), (500, 210002), (520, 201925), (533, 197000), (650, 161540), (788, 133250), (820, 128050), (985, 106600), (1000, 105001), (1025, 102440), (1066, 98500), (1300, 80770), (1576, 66625), (1625, 64616), (1640, 64025), (1970, 53300), (2050, 51220), (2132, 49250), (2561, 41000), (2600, 40385), (2665, 39400), (3250, 32308), (3940, 26650), (4100, 25610), (4264, 24625), (4925, 21320), (5122, 20500), (5125, 20488), (5330, 19700), (6500, 16154), (7880, 13325), (8077, 13000), (8200, 12805), (9850, 10660), (10244, 10250)]