16171000

素因数分解:

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

素因数の和:281

約数の個数: 64

約数和(自身を含む): 38450880

約数和(自身を除く): 22279880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 103, 125, 157, 200, 206, 250, 314, 412, 500, 515, 628, 785, 824, 1000, 1030, 1256, 1570, 2060, 2575, 3140, 3925, 4120, 5150, 6280, 7850, 10300, 12875, 15700, 16171, 19625, 20600, 25750, 31400, 32342, 39250, 51500, 64684, 78500, 80855, 103000, 129368, 157000, 161710, 323420, 404275, 646840, 808550, 1617100, 2021375, 3234200, 4042750, 8085500, 16171000]

約数ペア:

[(1, 16171000), (2, 8085500), (4, 4042750), (5, 3234200), (8, 2021375), (10, 1617100), (20, 808550), (25, 646840), (40, 404275), (50, 323420), (100, 161710), (103, 157000), (125, 129368), (157, 103000), (200, 80855), (206, 78500), (250, 64684), (314, 51500), (412, 39250), (500, 32342), (515, 31400), (628, 25750), (785, 20600), (824, 19625), (1000, 16171), (1030, 15700), (1256, 12875), (1570, 10300), (2060, 7850), (2575, 6280), (3140, 5150), (3925, 4120)]