87830180

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{8429}}^1$

素因数の和:8959

約数の個数: 24

約数和(自身を含む): 184819320

約数和(自身を除く): 96989140

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 8429, 10420, 16858, 33716, 42145, 84290, 168580, 4391509, 8783018, 17566036, 21957545, 43915090, 87830180]

約数ペア:

[(1, 87830180), (2, 43915090), (4, 21957545), (5, 17566036), (10, 8783018), (20, 4391509), (521, 168580), (1042, 84290), (2084, 42145), (2605, 33716), (5210, 16858), (8429, 10420)]