42438980

素因数分解:

$2^2\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{1487}}^1$

素因数の和:2923

約数の個数: 24

約数和(自身を含む): 89244288

約数和(自身を除く): 46805308

約数列:

[1, 2, 4, 5, 10, 20, 1427, 1487, 2854, 2974, 5708, 5948, 7135, 7435, 14270, 14870, 28540, 29740, 2121949, 4243898, 8487796, 10609745, 21219490, 42438980]

約数ペア:

[(1, 42438980), (2, 21219490), (4, 10609745), (5, 8487796), (10, 4243898), (20, 2121949), (1427, 29740), (1487, 28540), (2854, 14870), (2974, 14270), (5708, 7435), (5948, 7135)]