7942040

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{941}}^1$

素因数の和:1163

約数の個数: 32

約数和(自身を含む): 17973360

約数和(自身を除く): 10031320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 941, 1055, 1688, 1882, 2110, 3764, 4220, 4705, 7528, 8440, 9410, 18820, 37640, 198551, 397102, 794204, 992755, 1588408, 1985510, 3971020, 7942040]

約数ペア:

[(1, 7942040), (2, 3971020), (4, 1985510), (5, 1588408), (8, 992755), (10, 794204), (20, 397102), (40, 198551), (211, 37640), (422, 18820), (844, 9410), (941, 8440), (1055, 7528), (1688, 4705), (1882, 4220), (2110, 3764)]