66877120

素因数分解:

$2^6\times 5^1\times {\mathrm{208991}}^1$

素因数の和:209008

約数の個数: 28

約数和(自身を含む): 159251904

約数和(自身を除く): 92374784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 208991, 417982, 835964, 1044955, 1671928, 2089910, 3343856, 4179820, 6687712, 8359640, 13375424, 16719280, 33438560, 66877120]

約数ペア:

[(1, 66877120), (2, 33438560), (4, 16719280), (5, 13375424), (8, 8359640), (10, 6687712), (16, 4179820), (20, 3343856), (32, 2089910), (40, 1671928), (64, 1044955), (80, 835964), (160, 417982), (320, 208991)]