42141940

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{13421}}^1$

素因数の和:13587

約数の個数: 24

約数和(自身を含む): 89068392

約数和(自身を除く): 46926452

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 13421, 26842, 53684, 67105, 134210, 268420, 2107097, 4214194, 8428388, 10535485, 21070970, 42141940]

約数ペア:

[(1, 42141940), (2, 21070970), (4, 10535485), (5, 8428388), (10, 4214194), (20, 2107097), (157, 268420), (314, 134210), (628, 67105), (785, 53684), (1570, 26842), (3140, 13421)]