133754240

素因数分解:

$2^7\times 5^1\times {\mathrm{208991}}^1$

素因数の和:209010

約数の個数: 32

約数和(自身を含む): 319757760

約数和(自身を除く): 186003520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 208991, 417982, 835964, 1044955, 1671928, 2089910, 3343856, 4179820, 6687712, 8359640, 13375424, 16719280, 26750848, 33438560, 66877120, 133754240]

約数ペア:

[(1, 133754240), (2, 66877120), (4, 33438560), (5, 26750848), (8, 16719280), (10, 13375424), (16, 8359640), (20, 6687712), (32, 4179820), (40, 3343856), (64, 2089910), (80, 1671928), (128, 1044955), (160, 835964), (320, 417982), (640, 208991)]