8909907550

素因数分解:

$2^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{521}}^1\times {\mathrm{1621}}^1$

素因数の和:2365

約数の個数: 48

約数和(自身を含む): 16693221744

約数和(自身を除く): 7783314194

約数列:

[1, 2, 5, 10, 25, 50, 211, 422, 521, 1042, 1055, 1621, 2110, 2605, 3242, 5210, 5275, 8105, 10550, 13025, 16210, 26050, 40525, 81050, 109931, 219862, 342031, 549655, 684062, 844541, 1099310, 1689082, 1710155, 2748275, 3420310, 4222705, 5496550, 8445410, 8550775, 17101550, 21113525, 42227050, 178198151, 356396302, 890990755, 1781981510, 4454953775, 8909907550]

約数ペア:

[(1, 8909907550), (2, 4454953775), (5, 1781981510), (10, 890990755), (25, 356396302), (50, 178198151), (211, 42227050), (422, 21113525), (521, 17101550), (1042, 8550775), (1055, 8445410), (1621, 5496550), (2110, 4222705), (2605, 3420310), (3242, 2748275), (5210, 1710155), (5275, 1689082), (8105, 1099310), (10550, 844541), (13025, 684062), (16210, 549655), (26050, 342031), (40525, 219862), (81050, 109931)]