13340440

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{929}}^1$

素因数の和:1299

約数の個数: 32

約数和(自身を含む): 30132000

約数和(自身を除く): 16791560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 929, 1436, 1795, 1858, 2872, 3590, 3716, 4645, 7180, 7432, 9290, 14360, 18580, 37160, 333511, 667022, 1334044, 1667555, 2668088, 3335110, 6670220, 13340440]

約数ペア:

[(1, 13340440), (2, 6670220), (4, 3335110), (5, 2668088), (8, 1667555), (10, 1334044), (20, 667022), (40, 333511), (359, 37160), (718, 18580), (929, 14360), (1436, 9290), (1795, 7432), (1858, 7180), (2872, 4645), (3590, 3716)]