42786580

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{10139}}^1$

素因数の和:10359

約数の個数: 24

約数和(自身を含む): 90286560

約数和(自身を除く): 47499980

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 10139, 20278, 40556, 50695, 101390, 202780, 2139329, 4278658, 8557316, 10696645, 21393290, 42786580]

約数ペア:

[(1, 42786580), (2, 21393290), (4, 10696645), (5, 8557316), (10, 4278658), (20, 2139329), (211, 202780), (422, 101390), (844, 50695), (1055, 40556), (2110, 20278), (4220, 10139)]