66912640

素因数分解:

$2^7\times 5^1\times {\mathrm{104551}}^1$

素因数の和:104570

約数の個数: 32

約数和(自身を含む): 159964560

約数和(自身を除く): 93051920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 104551, 209102, 418204, 522755, 836408, 1045510, 1672816, 2091020, 3345632, 4182040, 6691264, 8364080, 13382528, 16728160, 33456320, 66912640]

約数ペア:

[(1, 66912640), (2, 33456320), (4, 16728160), (5, 13382528), (8, 8364080), (10, 6691264), (16, 4182040), (20, 3345632), (32, 2091020), (40, 1672816), (64, 1045510), (80, 836408), (128, 522755), (160, 418204), (320, 209102), (640, 104551)]