42055480

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{4091}}^1$

素因数の和:4359

約数の個数: 32

約数和(自身を含む): 95016240

約数和(自身を除く): 52960760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 4091, 5140, 8182, 10280, 16364, 20455, 32728, 40910, 81820, 163640, 1051387, 2102774, 4205548, 5256935, 8411096, 10513870, 21027740, 42055480]

約数ペア:

[(1, 42055480), (2, 21027740), (4, 10513870), (5, 8411096), (8, 5256935), (10, 4205548), (20, 2102774), (40, 1051387), (257, 163640), (514, 81820), (1028, 40910), (1285, 32728), (2056, 20455), (2570, 16364), (4091, 10280), (5140, 8182)]