90351640

素因数分解:

$2^3\times 5^1\times {\mathrm{2258791}}^1$

素因数の和:2258802

約数の個数: 16

約数和(自身を含む): 203291280

約数和(自身を除く): 112939640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2258791, 4517582, 9035164, 11293955, 18070328, 22587910, 45175820, 90351640]

約数ペア:

[(1, 90351640), (2, 45175820), (4, 22587910), (5, 18070328), (8, 11293955), (10, 9035164), (20, 4517582), (40, 2258791)]