13508510020

素因数分解:

$2^2\times 5^1\times {\mathrm{15889}}^1\times {\mathrm{42509}}^1$

素因数の和:58407

約数の個数: 24

約数和(自身を含む): 28370323800

約数和(自身を除く): 14861813780

約数列:

[1, 2, 4, 5, 10, 20, 15889, 31778, 42509, 63556, 79445, 85018, 158890, 170036, 212545, 317780, 425090, 850180, 675425501, 1350851002, 2701702004, 3377127505, 6754255010, 13508510020]

約数ペア:

[(1, 13508510020), (2, 6754255010), (4, 3377127505), (5, 2701702004), (10, 1350851002), (20, 675425501), (15889, 850180), (31778, 425090), (42509, 317780), (63556, 212545), (79445, 170036), (85018, 158890)]