13429640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47963}}^1$

素因数の和:47981

約数の個数: 32

約数和(自身を含む): 34534080

約数和(自身を除く): 21104440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 47963, 95926, 191852, 239815, 335741, 383704, 479630, 671482, 959260, 1342964, 1678705, 1918520, 2685928, 3357410, 6714820, 13429640]

約数ペア:

[(1, 13429640), (2, 6714820), (4, 3357410), (5, 2685928), (7, 1918520), (8, 1678705), (10, 1342964), (14, 959260), (20, 671482), (28, 479630), (35, 383704), (40, 335741), (56, 239815), (70, 191852), (140, 95926), (280, 47963)]