161380400

素因数分解:

$2^4\times 5^2\times {\mathrm{103}}^1\times {\mathrm{3917}}^1$

素因数の和:4038

約数の個数: 60

約数和(自身を含む): 391580592

約数和(自身を除く): 230200192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 103, 200, 206, 400, 412, 515, 824, 1030, 1648, 2060, 2575, 3917, 4120, 5150, 7834, 8240, 10300, 15668, 19585, 20600, 31336, 39170, 41200, 62672, 78340, 97925, 156680, 195850, 313360, 391700, 403451, 783400, 806902, 1566800, 1613804, 2017255, 3227608, 4034510, 6455216, 8069020, 10086275, 16138040, 20172550, 32276080, 40345100, 80690200, 161380400]

約数ペア:

[(1, 161380400), (2, 80690200), (4, 40345100), (5, 32276080), (8, 20172550), (10, 16138040), (16, 10086275), (20, 8069020), (25, 6455216), (40, 4034510), (50, 3227608), (80, 2017255), (100, 1613804), (103, 1566800), (200, 806902), (206, 783400), (400, 403451), (412, 391700), (515, 313360), (824, 195850), (1030, 156680), (1648, 97925), (2060, 78340), (2575, 62672), (3917, 41200), (4120, 39170), (5150, 31336), (7834, 20600), (8240, 19585), (10300, 15668)]