76921420

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{3881}}^1$

素因数の和:4881

約数の個数: 24

約数和(自身を含む): 161739648

約数和(自身を除く): 84818228

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3881, 3964, 4955, 7762, 9910, 15524, 19405, 19820, 38810, 77620, 3846071, 7692142, 15384284, 19230355, 38460710, 76921420]

約数ペア:

[(1, 76921420), (2, 38460710), (4, 19230355), (5, 15384284), (10, 7692142), (20, 3846071), (991, 77620), (1982, 38810), (3881, 19820), (3964, 19405), (4955, 15524), (7762, 9910)]