42142540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{859}}^1$

素因数の和:1102

約数の個数: 48

約数和(自身を含む): 97090560

約数和(自身を除く): 54948020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 223, 446, 859, 892, 1115, 1718, 2230, 2453, 3436, 4295, 4460, 4906, 8590, 9449, 9812, 12265, 17180, 18898, 24530, 37796, 47245, 49060, 94490, 188980, 191557, 383114, 766228, 957785, 1915570, 2107127, 3831140, 4214254, 8428508, 10535635, 21071270, 42142540]

約数ペア:

[(1, 42142540), (2, 21071270), (4, 10535635), (5, 8428508), (10, 4214254), (11, 3831140), (20, 2107127), (22, 1915570), (44, 957785), (55, 766228), (110, 383114), (220, 191557), (223, 188980), (446, 94490), (859, 49060), (892, 47245), (1115, 37796), (1718, 24530), (2230, 18898), (2453, 17180), (3436, 12265), (4295, 9812), (4460, 9449), (4906, 8590)]