4260020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6871}}^1$

素因数の和:6911

約数の個数: 24

約数和(自身を含む): 9235968

約数和(自身を除く): 4975948

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 6871, 13742, 27484, 34355, 68710, 137420, 213001, 426002, 852004, 1065005, 2130010, 4260020]

約数ペア:

[(1, 4260020), (2, 2130010), (4, 1065005), (5, 852004), (10, 426002), (20, 213001), (31, 137420), (62, 68710), (124, 34355), (155, 27484), (310, 13742), (620, 6871)]