9969802520

素因数分解:

$2^3\times 5^1\times {\mathrm{249245063}}^1$

素因数の和:249245074

約数の個数: 16

約数和(自身を含む): 22432055760

約数和(自身を除く): 12462253240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 249245063, 498490126, 996980252, 1246225315, 1993960504, 2492450630, 4984901260, 9969802520]

約数ペア:

[(1, 9969802520), (2, 4984901260), (4, 2492450630), (5, 1993960504), (8, 1246225315), (10, 996980252), (20, 498490126), (40, 249245063)]