7912040

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{887}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 17902080

約数和(自身を除く): 9990040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 887, 892, 1115, 1774, 1784, 2230, 3548, 4435, 4460, 7096, 8870, 8920, 17740, 35480, 197801, 395602, 791204, 989005, 1582408, 1978010, 3956020, 7912040]

約数ペア:

[(1, 7912040), (2, 3956020), (4, 1978010), (5, 1582408), (8, 989005), (10, 791204), (20, 395602), (40, 197801), (223, 35480), (446, 17740), (887, 8920), (892, 8870), (1115, 7096), (1774, 4460), (1784, 4435), (2230, 3548)]