40907660

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{3181}}^1$

素因数の和:3833

約数の個数: 24

約数和(自身を含む): 86066736

約数和(自身を除く): 45159076

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3181, 3215, 6362, 6430, 12724, 12860, 15905, 31810, 63620, 2045383, 4090766, 8181532, 10226915, 20453830, 40907660]

約数ペア:

[(1, 40907660), (2, 20453830), (4, 10226915), (5, 8181532), (10, 4090766), (20, 2045383), (643, 63620), (1286, 31810), (2572, 15905), (3181, 12860), (3215, 12724), (6362, 6430)]