38621460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{643691}}^1$

素因数の和:643703

約数の個数: 24

約数和(自身を含む): 108140256

約数和(自身を除く): 69518796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 643691, 1287382, 1931073, 2574764, 3218455, 3862146, 6436910, 7724292, 9655365, 12873820, 19310730, 38621460]

約数ペア:

[(1, 38621460), (2, 19310730), (3, 12873820), (4, 9655365), (5, 7724292), (6, 6436910), (10, 3862146), (12, 3218455), (15, 2574764), (20, 1931073), (30, 1287382), (60, 643691)]