42213940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68087}}^1$

素因数の和:68127

約数の個数: 24

約数和(自身を含む): 91510272

約数和(自身を除く): 49296332

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 68087, 136174, 272348, 340435, 680870, 1361740, 2110697, 4221394, 8442788, 10553485, 21106970, 42213940]

約数ペア:

[(1, 42213940), (2, 21106970), (4, 10553485), (5, 8442788), (10, 4221394), (20, 2110697), (31, 1361740), (62, 680870), (124, 340435), (155, 272348), (310, 136174), (620, 68087)]