87941780

素因数分解:

$2^2\times 5^1\times {\mathrm{1481}}^1\times {\mathrm{2969}}^1$

素因数の和:4459

約数の個数: 24

約数和(自身を含む): 184864680

約数和(自身を除く): 96922900

約数列:

[1, 2, 4, 5, 10, 20, 1481, 2962, 2969, 5924, 5938, 7405, 11876, 14810, 14845, 29620, 29690, 59380, 4397089, 8794178, 17588356, 21985445, 43970890, 87941780]

約数ペア:

[(1, 87941780), (2, 43970890), (4, 21985445), (5, 17588356), (10, 8794178), (20, 4397089), (1481, 59380), (2962, 29690), (2969, 29620), (5924, 14845), (5938, 14810), (7405, 11876)]