15265540

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4217}}^1$

素因数の和:4407

約数の個数: 24

約数和(自身を含む): 32242392

約数和(自身を除く): 16976852

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 4217, 8434, 16868, 21085, 42170, 84340, 763277, 1526554, 3053108, 3816385, 7632770, 15265540]

約数ペア:

[(1, 15265540), (2, 7632770), (4, 3816385), (5, 3053108), (10, 1526554), (20, 763277), (181, 84340), (362, 42170), (724, 21085), (905, 16868), (1810, 8434), (3620, 4217)]