87891380

素因数分解:

$2^2\times 5^1\times {\mathrm{701}}^1\times {\mathrm{6269}}^1$

素因数の和:6979

約数の個数: 24

約数和(自身を含む): 184864680

約数和(自身を除く): 96973300

約数列:

[1, 2, 4, 5, 10, 20, 701, 1402, 2804, 3505, 6269, 7010, 12538, 14020, 25076, 31345, 62690, 125380, 4394569, 8789138, 17578276, 21972845, 43945690, 87891380]

約数ペア:

[(1, 87891380), (2, 43945690), (4, 21972845), (5, 17578276), (10, 8789138), (20, 4394569), (701, 125380), (1402, 62690), (2804, 31345), (3505, 25076), (6269, 14020), (7010, 12538)]