145791640

素因数分解:

$2^3\times 5^1\times {\mathrm{3644791}}^1$

素因数の和:3644802

約数の個数: 16

約数和(自身を含む): 328031280

約数和(自身を除く): 182239640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3644791, 7289582, 14579164, 18223955, 29158328, 36447910, 72895820, 145791640]

約数ペア:

[(1, 145791640), (2, 72895820), (4, 36447910), (5, 29158328), (8, 18223955), (10, 14579164), (20, 7289582), (40, 3644791)]