61788460

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 134229312

約数和(自身を除く): 72440852

約数列:

[1, 2, 4, 5, 10, 20, 53, 71, 106, 142, 212, 265, 284, 355, 530, 710, 821, 1060, 1420, 1642, 3284, 3763, 4105, 7526, 8210, 15052, 16420, 18815, 37630, 43513, 58291, 75260, 87026, 116582, 174052, 217565, 233164, 291455, 435130, 582910, 870260, 1165820, 3089423, 6178846, 12357692, 15447115, 30894230, 61788460]

約数ペア:

[(1, 61788460), (2, 30894230), (4, 15447115), (5, 12357692), (10, 6178846), (20, 3089423), (53, 1165820), (71, 870260), (106, 582910), (142, 435130), (212, 291455), (265, 233164), (284, 217565), (355, 174052), (530, 116582), (710, 87026), (821, 75260), (1060, 58291), (1420, 43513), (1642, 37630), (3284, 18815), (3763, 16420), (4105, 15052), (7526, 8210)]