56565560

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{3359}}^1$

素因数の和:3791

約数の個数: 32

約数和(自身を含む): 127612800

約数和(自身を除く): 71047240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3359, 3368, 4210, 6718, 8420, 13436, 16795, 16840, 26872, 33590, 67180, 134360, 1414139, 2828278, 5656556, 7070695, 11313112, 14141390, 28282780, 56565560]

約数ペア:

[(1, 56565560), (2, 28282780), (4, 14141390), (5, 11313112), (8, 7070695), (10, 5656556), (20, 2828278), (40, 1414139), (421, 134360), (842, 67180), (1684, 33590), (2105, 26872), (3359, 16840), (3368, 16795), (4210, 13436), (6718, 8420)]