118221520

素因数分解:

$2^4\times 5^1\times {\mathrm{1477769}}^1$

素因数の和:1477782

約数の個数: 20

約数和(自身を含む): 274865220

約数和(自身を除く): 156643700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1477769, 2955538, 5911076, 7388845, 11822152, 14777690, 23644304, 29555380, 59110760, 118221520]

約数ペア:

[(1, 118221520), (2, 59110760), (4, 29555380), (5, 23644304), (8, 14777690), (10, 11822152), (16, 7388845), (20, 5911076), (40, 2955538), (80, 1477769)]