104865356080

素因数分解:

$2^4\times 5^1\times {\mathrm{1310816951}}^1$

素因数の和:1310816964

約数の個数: 20

約数和(自身を含む): 243811953072

約数和(自身を除く): 138946596992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1310816951, 2621633902, 5243267804, 6554084755, 10486535608, 13108169510, 20973071216, 26216339020, 52432678040, 104865356080]

約数ペア:

[(1, 104865356080), (2, 52432678040), (4, 26216339020), (5, 20973071216), (8, 13108169510), (10, 10486535608), (16, 6554084755), (20, 5243267804), (40, 2621633902), (80, 1310816951)]