51422180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{82939}}^1$

素因数の和:82979

約数の個数: 24

約数和(自身を含む): 111471360

約数和(自身を除く): 60049180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 82939, 165878, 331756, 414695, 829390, 1658780, 2571109, 5142218, 10284436, 12855545, 25711090, 51422180]

約数ペア:

[(1, 51422180), (2, 25711090), (4, 12855545), (5, 10284436), (10, 5142218), (20, 2571109), (31, 1658780), (62, 829390), (124, 414695), (155, 331756), (310, 165878), (620, 82939)]