247707920

素因数分解:

$2^4\times 5^1\times {\mathrm{3096349}}^1$

素因数の和:3096362

約数の個数: 20

約数和(自身を含む): 575921100

約数和(自身を除く): 328213180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3096349, 6192698, 12385396, 15481745, 24770792, 30963490, 49541584, 61926980, 123853960, 247707920]

約数ペア:

[(1, 247707920), (2, 123853960), (4, 61926980), (5, 49541584), (8, 30963490), (10, 24770792), (16, 15481745), (20, 12385396), (40, 6192698), (80, 3096349)]