15395480

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{691}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 34752240

約数和(自身を除く): 19356760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 691, 1114, 1382, 2228, 2764, 2785, 3455, 4456, 5528, 5570, 6910, 11140, 13820, 22280, 27640, 384887, 769774, 1539548, 1924435, 3079096, 3848870, 7697740, 15395480]

約数ペア:

[(1, 15395480), (2, 7697740), (4, 3848870), (5, 3079096), (8, 1924435), (10, 1539548), (20, 769774), (40, 384887), (557, 27640), (691, 22280), (1114, 13820), (1382, 11140), (2228, 6910), (2764, 5570), (2785, 5528), (3455, 4456)]