8773640

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{521}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 19825560

約数和(自身を除く): 11051920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 521, 842, 1042, 1684, 2084, 2105, 2605, 3368, 4168, 4210, 5210, 8420, 10420, 16840, 20840, 219341, 438682, 877364, 1096705, 1754728, 2193410, 4386820, 8773640]

約数ペア:

[(1, 8773640), (2, 4386820), (4, 2193410), (5, 1754728), (8, 1096705), (10, 877364), (20, 438682), (40, 219341), (421, 20840), (521, 16840), (842, 10420), (1042, 8420), (1684, 5210), (2084, 4210), (2105, 4168), (2605, 3368)]