66081640

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{12611}}^1$

素因数の和:12753

約数の個数: 32

約数和(自身を含む): 149830560

約数和(自身を除く): 83748920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 12611, 25222, 50444, 63055, 100888, 126110, 252220, 504440, 1652041, 3304082, 6608164, 8260205, 13216328, 16520410, 33040820, 66081640]

約数ペア:

[(1, 66081640), (2, 33040820), (4, 16520410), (5, 13216328), (8, 8260205), (10, 6608164), (20, 3304082), (40, 1652041), (131, 504440), (262, 252220), (524, 126110), (655, 100888), (1048, 63055), (1310, 50444), (2620, 25222), (5240, 12611)]