127908280

素因数分解:

$2^3\times 5^1\times {\mathrm{3197707}}^1$

素因数の和:3197718

約数の個数: 16

約数和(自身を含む): 287793720

約数和(自身を除く): 159885440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3197707, 6395414, 12790828, 15988535, 25581656, 31977070, 63954140, 127908280]

約数ペア:

[(1, 127908280), (2, 63954140), (4, 31977070), (5, 25581656), (8, 15988535), (10, 12790828), (20, 6395414), (40, 3197707)]