15211180

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1549}}^1$

素因数の和:2049

約数の個数: 24

約数和(自身を含む): 32029200

約数和(自身を除く): 16818020

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1549, 1964, 2455, 3098, 4910, 6196, 7745, 9820, 15490, 30980, 760559, 1521118, 3042236, 3802795, 7605590, 15211180]

約数ペア:

[(1, 15211180), (2, 7605590), (4, 3802795), (5, 3042236), (10, 1521118), (20, 760559), (491, 30980), (982, 15490), (1549, 9820), (1964, 7745), (2455, 6196), (3098, 4910)]