66260020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{106871}}^1$

素因数の和:106911

約数の個数: 24

約数和(自身を含む): 143635968

約数和(自身を除く): 77375948

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 106871, 213742, 427484, 534355, 1068710, 2137420, 3313001, 6626002, 13252004, 16565005, 33130010, 66260020]

約数ペア:

[(1, 66260020), (2, 33130010), (4, 16565005), (5, 13252004), (10, 6626002), (20, 3313001), (31, 2137420), (62, 1068710), (124, 534355), (155, 427484), (310, 213742), (620, 106871)]