1401092020

素因数分解:

$2^2\times 5^1\times {\mathrm{15889}}^1\times {\mathrm{4409}}^1$

素因数の和:20307

約数の個数: 24

約数和(自身を含む): 2943145800

約数和(自身を除く): 1542053780

約数列:

[1, 2, 4, 5, 10, 20, 4409, 8818, 15889, 17636, 22045, 31778, 44090, 63556, 79445, 88180, 158890, 317780, 70054601, 140109202, 280218404, 350273005, 700546010, 1401092020]

約数ペア:

[(1, 1401092020), (2, 700546010), (4, 350273005), (5, 280218404), (10, 140109202), (20, 70054601), (4409, 317780), (8818, 158890), (15889, 88180), (17636, 79445), (22045, 63556), (31778, 44090)]