40112840

素因数分解:

$2^3\times 5^1\times {\mathrm{1002821}}^1$

素因数の和:1002832

約数の個数: 16

約数和(自身を含む): 90253980

約数和(自身を除く): 50141140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1002821, 2005642, 4011284, 5014105, 8022568, 10028210, 20056420, 40112840]

約数ペア:

[(1, 40112840), (2, 20056420), (4, 10028210), (5, 8022568), (8, 5014105), (10, 4011284), (20, 2005642), (40, 1002821)]