6395420

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2441}}^1$

素因数の和:2581

約数の個数: 24

約数和(自身を含む): 13538448

約数和(自身を除く): 7143028

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2441, 2620, 4882, 9764, 12205, 24410, 48820, 319771, 639542, 1279084, 1598855, 3197710, 6395420]

約数ペア:

[(1, 6395420), (2, 3197710), (4, 1598855), (5, 1279084), (10, 639542), (20, 319771), (131, 48820), (262, 24410), (524, 12205), (655, 9764), (1310, 4882), (2441, 2620)]