28400360

素因数分解:

$2^3\times 5^1\times {\mathrm{710009}}^1$

素因数の和:710020

約数の個数: 16

約数和(自身を含む): 63900900

約数和(自身を除く): 35500540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 710009, 1420018, 2840036, 3550045, 5680072, 7100090, 14200180, 28400360]

約数ペア:

[(1, 28400360), (2, 14200180), (4, 7100090), (5, 5680072), (8, 3550045), (10, 2840036), (20, 1420018), (40, 710009)]