9899100040

素因数分解:

$2^3\times 5^1\times {\mathrm{247477501}}^1$

素因数の和:247477512

約数の個数: 16

約数和(自身を含む): 22272975180

約数和(自身を除く): 12373875140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 247477501, 494955002, 989910004, 1237387505, 1979820008, 2474775010, 4949550020, 9899100040]

約数ペア:

[(1, 9899100040), (2, 4949550020), (4, 2474775010), (5, 1979820008), (8, 1237387505), (10, 989910004), (20, 494955002), (40, 247477501)]