40439408

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{3943}}^1$

素因数の和:4592

約数の個数: 20

約数和(自身を含む): 78493488

約数和(自身を除く): 38054080

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 3943, 5128, 7886, 10256, 15772, 31544, 63088, 2527463, 5054926, 10109852, 20219704, 40439408]

約数ペア:

[(1, 40439408), (2, 20219704), (4, 10109852), (8, 5054926), (16, 2527463), (641, 63088), (1282, 31544), (2564, 15772), (3943, 10256), (5128, 7886)]