67218980

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{4217}}^1$

素因数の和:5023

約数の個数: 24

約数和(自身を含む): 141370488

約数和(自身を除く): 74151508

約数列:

[1, 2, 4, 5, 10, 20, 797, 1594, 3188, 3985, 4217, 7970, 8434, 15940, 16868, 21085, 42170, 84340, 3360949, 6721898, 13443796, 16804745, 33609490, 67218980]

約数ペア:

[(1, 67218980), (2, 33609490), (4, 16804745), (5, 13443796), (10, 6721898), (20, 3360949), (797, 84340), (1594, 42170), (3188, 21085), (3985, 16868), (4217, 15940), (7970, 8434)]