66051760

素因数分解:

$2^4\times 5^1\times {\mathrm{825647}}^1$

素因数の和:825660

約数の個数: 20

約数和(自身を含む): 153570528

約数和(自身を除く): 87518768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 825647, 1651294, 3302588, 4128235, 6605176, 8256470, 13210352, 16512940, 33025880, 66051760]

約数ペア:

[(1, 66051760), (2, 33025880), (4, 16512940), (5, 13210352), (8, 8256470), (10, 6605176), (16, 4128235), (20, 3302588), (40, 1651294), (80, 825647)]