220097960

素因数分解:

$2^3\times 5^1\times {\mathrm{5502449}}^1$

素因数の和:5502460

約数の個数: 16

約数和(自身を含む): 495220500

約数和(自身を除く): 275122540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5502449, 11004898, 22009796, 27512245, 44019592, 55024490, 110048980, 220097960]

約数ペア:

[(1, 220097960), (2, 110048980), (4, 55024490), (5, 44019592), (8, 27512245), (10, 22009796), (20, 11004898), (40, 5502449)]