64104580

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{13411}}^1$

素因数の和:13659

約数の個数: 24

約数和(自身を含む): 135192960

約数和(自身を除く): 71088380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 13411, 26822, 53644, 67055, 134110, 268220, 3205229, 6410458, 12820916, 16026145, 32052290, 64104580]

約数ペア:

[(1, 64104580), (2, 32052290), (4, 16026145), (5, 12820916), (10, 6410458), (20, 3205229), (239, 268220), (478, 134110), (956, 67055), (1195, 53644), (2390, 26822), (4780, 13411)]