99990055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{4049}}^1$

素因数の和:4514

約数の個数: 16

約数和(自身を含む): 131220000

約数和(自身を除く): 31229945

約数列:

[1, 5, 11, 55, 449, 2245, 4049, 4939, 20245, 24695, 44539, 222695, 1818001, 9090005, 19998011, 99990055]

約数ペア:

[(1, 99990055), (5, 19998011), (11, 9090005), (55, 1818001), (449, 222695), (2245, 44539), (4049, 24695), (4939, 20245)]