61745540

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{23567}}^1$

素因数の和:23707

約数の個数: 24

約数和(自身を含む): 130660992

約数和(自身を除く): 68915452

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 23567, 47134, 94268, 117835, 235670, 471340, 3087277, 6174554, 12349108, 15436385, 30872770, 61745540]

約数ペア:

[(1, 61745540), (2, 30872770), (4, 15436385), (5, 12349108), (10, 6174554), (20, 3087277), (131, 471340), (262, 235670), (524, 117835), (655, 94268), (1310, 47134), (2620, 23567)]