61740220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{99581}}^1$

素因数の和:99621

約数の個数: 24

約数和(自身を含む): 133838208

約数和(自身を除く): 72097988

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 99581, 199162, 398324, 497905, 995810, 1991620, 3087011, 6174022, 12348044, 15435055, 30870110, 61740220]

約数ペア:

[(1, 61740220), (2, 30870110), (4, 15435055), (5, 12348044), (10, 6174022), (20, 3087011), (31, 1991620), (62, 995810), (124, 497905), (155, 398324), (310, 199162), (620, 99581)]