64913020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{111919}}^1$

素因数の和:111957

約数の個数: 24

約数和(自身を含む): 141019200

約数和(自身を除く): 76106180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 111919, 223838, 447676, 559595, 1119190, 2238380, 3245651, 6491302, 12982604, 16228255, 32456510, 64913020]

約数ペア:

[(1, 64913020), (2, 32456510), (4, 16228255), (5, 12982604), (10, 6491302), (20, 3245651), (29, 2238380), (58, 1119190), (116, 559595), (145, 447676), (290, 223838), (580, 111919)]