9871420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37967}}^1$

素因数の和:37989

約数の個数: 24

約数和(自身を含む): 22325184

約数和(自身を除く): 12453764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 37967, 75934, 151868, 189835, 379670, 493571, 759340, 987142, 1974284, 2467855, 4935710, 9871420]

約数ペア:

[(1, 9871420), (2, 4935710), (4, 2467855), (5, 1974284), (10, 987142), (13, 759340), (20, 493571), (26, 379670), (52, 189835), (65, 151868), (130, 75934), (260, 37967)]