61954040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{25391}}^1$

素因数の和:25463

約数の個数: 32

約数和(自身を含む): 141687360

約数和(自身を除く): 79733320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 25391, 50782, 101564, 126955, 203128, 253910, 507820, 1015640, 1548851, 3097702, 6195404, 7744255, 12390808, 15488510, 30977020, 61954040]

約数ペア:

[(1, 61954040), (2, 30977020), (4, 15488510), (5, 12390808), (8, 7744255), (10, 6195404), (20, 3097702), (40, 1548851), (61, 1015640), (122, 507820), (244, 253910), (305, 203128), (488, 126955), (610, 101564), (1220, 50782), (2440, 25391)]