66012620

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{8231}}^1$

素因数の和:8641

約数の個数: 24

約数和(自身を含む): 138989088

約数和(自身を除く): 72976468

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 8231, 16462, 32924, 41155, 82310, 164620, 3300631, 6601262, 13202524, 16503155, 33006310, 66012620]

約数ペア:

[(1, 66012620), (2, 33006310), (4, 16503155), (5, 13202524), (10, 6601262), (20, 3300631), (401, 164620), (802, 82310), (1604, 41155), (2005, 32924), (4010, 16462), (8020, 8231)]