100867280

素因数分解:

$2^4\times 5^1\times {\mathrm{1260841}}^1$

素因数の和:1260854

約数の個数: 20

約数和(自身を含む): 234516612

約数和(自身を除く): 133649332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1260841, 2521682, 5043364, 6304205, 10086728, 12608410, 20173456, 25216820, 50433640, 100867280]

約数ペア:

[(1, 100867280), (2, 50433640), (4, 25216820), (5, 20173456), (8, 12608410), (10, 10086728), (16, 6304205), (20, 5043364), (40, 2521682), (80, 1260841)]