64684000

素因数分解:

$2^5\times 5^3\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 161493696

約数和(自身を除く): 96809696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 103, 125, 157, 160, 200, 206, 250, 314, 400, 412, 500, 515, 628, 785, 800, 824, 1000, 1030, 1256, 1570, 1648, 2000, 2060, 2512, 2575, 3140, 3296, 3925, 4000, 4120, 5024, 5150, 6280, 7850, 8240, 10300, 12560, 12875, 15700, 16171, 16480, 19625, 20600, 25120, 25750, 31400, 32342, 39250, 41200, 51500, 62800, 64684, 78500, 80855, 82400, 103000, 125600, 129368, 157000, 161710, 206000, 258736, 314000, 323420, 404275, 412000, 517472, 628000, 646840, 808550, 1293680, 1617100, 2021375, 2587360, 3234200, 4042750, 6468400, 8085500, 12936800, 16171000, 32342000, 64684000]

約数ペア:

[(1, 64684000), (2, 32342000), (4, 16171000), (5, 12936800), (8, 8085500), (10, 6468400), (16, 4042750), (20, 3234200), (25, 2587360), (32, 2021375), (40, 1617100), (50, 1293680), (80, 808550), (100, 646840), (103, 628000), (125, 517472), (157, 412000), (160, 404275), (200, 323420), (206, 314000), (250, 258736), (314, 206000), (400, 161710), (412, 157000), (500, 129368), (515, 125600), (628, 103000), (785, 82400), (800, 80855), (824, 78500), (1000, 64684), (1030, 62800), (1256, 51500), (1570, 41200), (1648, 39250), (2000, 32342), (2060, 31400), (2512, 25750), (2575, 25120), (3140, 20600), (3296, 19625), (3925, 16480), (4000, 16171), (4120, 15700), (5024, 12875), (5150, 12560), (6280, 10300), (7850, 8240)]