131008520

素因数分解:

$2^3\times 5^1\times {\mathrm{3275213}}^1$

素因数の和:3275224

約数の個数: 16

約数和(自身を含む): 294769260

約数和(自身を除く): 163760740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3275213, 6550426, 13100852, 16376065, 26201704, 32752130, 65504260, 131008520]

約数ペア:

[(1, 131008520), (2, 65504260), (4, 32752130), (5, 26201704), (8, 16376065), (10, 13100852), (20, 6550426), (40, 3275213)]