28800920020

素因数分解:

$2^2\times 5^1\times {\mathrm{27407}}^1\times {\mathrm{52543}}^1$

素因数の和:79959

約数の個数: 24

約数和(自身を含む): 60485289984

約数和(自身を除く): 31684369964

約数列:

[1, 2, 4, 5, 10, 20, 27407, 52543, 54814, 105086, 109628, 137035, 210172, 262715, 274070, 525430, 548140, 1050860, 1440046001, 2880092002, 5760184004, 7200230005, 14400460010, 28800920020]

約数ペア:

[(1, 28800920020), (2, 14400460010), (4, 7200230005), (5, 5760184004), (10, 2880092002), (20, 1440046001), (27407, 1050860), (52543, 548140), (54814, 525430), (105086, 274070), (109628, 262715), (137035, 210172)]