4495640

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{673}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 10190880

約数和(自身を除く): 5695240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 673, 835, 1336, 1346, 1670, 2692, 3340, 3365, 5384, 6680, 6730, 13460, 26920, 112391, 224782, 449564, 561955, 899128, 1123910, 2247820, 4495640]

約数ペア:

[(1, 4495640), (2, 2247820), (4, 1123910), (5, 899128), (8, 561955), (10, 449564), (20, 224782), (40, 112391), (167, 26920), (334, 13460), (668, 6730), (673, 6680), (835, 5384), (1336, 3365), (1346, 3340), (1670, 2692)]