31454320

素因数分解:

$2^4\times 5^1\times {\mathrm{569}}^1\times {\mathrm{691}}^1$

素因数の和:1273

約数の個数: 40

約数和(自身を含む): 73365840

約数和(自身を除く): 41911520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 569, 691, 1138, 1382, 2276, 2764, 2845, 3455, 4552, 5528, 5690, 6910, 9104, 11056, 11380, 13820, 22760, 27640, 45520, 55280, 393179, 786358, 1572716, 1965895, 3145432, 3931790, 6290864, 7863580, 15727160, 31454320]

約数ペア:

[(1, 31454320), (2, 15727160), (4, 7863580), (5, 6290864), (8, 3931790), (10, 3145432), (16, 1965895), (20, 1572716), (40, 786358), (80, 393179), (569, 55280), (691, 45520), (1138, 27640), (1382, 22760), (2276, 13820), (2764, 11380), (2845, 11056), (3455, 9104), (4552, 6910), (5528, 5690)]