80150990

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{17851}}^1$

素因数の和:18307

約数の個数: 16

約数和(自身を含む): 144601200

約数和(自身を除く): 64450210

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 17851, 35702, 89255, 178510, 8015099, 16030198, 40075495, 80150990]

約数ペア:

[(1, 80150990), (2, 40075495), (5, 16030198), (10, 8015099), (449, 178510), (898, 89255), (2245, 35702), (4490, 17851)]