40751420

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{10343}}^1$

素因数の和:10549

約数の個数: 24

約数和(自身を含む): 86020704

約数和(自身を除く): 45269284

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 10343, 20686, 41372, 51715, 103430, 206860, 2037571, 4075142, 8150284, 10187855, 20375710, 40751420]

約数ペア:

[(1, 40751420), (2, 20375710), (4, 10187855), (5, 8150284), (10, 4075142), (20, 2037571), (197, 206860), (394, 103430), (788, 51715), (985, 41372), (1970, 20686), (3940, 10343)]