61918180

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{13883}}^1$

素因数の和:14115

約数の個数: 24

約数和(自身を含む): 130620672

約数和(自身を除く): 68702492

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 13883, 27766, 55532, 69415, 138830, 277660, 3095909, 6191818, 12383636, 15479545, 30959090, 61918180]

約数ペア:

[(1, 61918180), (2, 30959090), (4, 15479545), (5, 12383636), (10, 6191818), (20, 3095909), (223, 277660), (446, 138830), (892, 69415), (1115, 55532), (2230, 27766), (4460, 13883)]