72001340

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{31859}}^1$

素因数の和:31981

約数の個数: 24

約数和(自身を含む): 152545680

約数和(自身を除く): 80544340

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 31859, 63718, 127436, 159295, 318590, 637180, 3600067, 7200134, 14400268, 18000335, 36000670, 72001340]

約数ペア:

[(1, 72001340), (2, 36000670), (4, 18000335), (5, 14400268), (10, 7200134), (20, 3600067), (113, 637180), (226, 318590), (452, 159295), (565, 127436), (1130, 63718), (2260, 31859)]