6468400

素因数分解:

$2^4\times 5^2\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 60

約数和(自身を含む): 15791152

約数和(自身を除く): 9322752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 103, 157, 200, 206, 314, 400, 412, 515, 628, 785, 824, 1030, 1256, 1570, 1648, 2060, 2512, 2575, 3140, 3925, 4120, 5150, 6280, 7850, 8240, 10300, 12560, 15700, 16171, 20600, 31400, 32342, 41200, 62800, 64684, 80855, 129368, 161710, 258736, 323420, 404275, 646840, 808550, 1293680, 1617100, 3234200, 6468400]

約数ペア:

[(1, 6468400), (2, 3234200), (4, 1617100), (5, 1293680), (8, 808550), (10, 646840), (16, 404275), (20, 323420), (25, 258736), (40, 161710), (50, 129368), (80, 80855), (100, 64684), (103, 62800), (157, 41200), (200, 32342), (206, 31400), (314, 20600), (400, 16171), (412, 15700), (515, 12560), (628, 10300), (785, 8240), (824, 7850), (1030, 6280), (1256, 5150), (1570, 4120), (1648, 3925), (2060, 3140), (2512, 2575)]