204036760

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{7933}}^1$

素因数の和:8587

約数の個数: 32

約数和(自身を含む): 459854640

約数和(自身を除く): 255817880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 3215, 5144, 6430, 7933, 12860, 15866, 25720, 31732, 39665, 63464, 79330, 158660, 317320, 5100919, 10201838, 20403676, 25504595, 40807352, 51009190, 102018380, 204036760]

約数ペア:

[(1, 204036760), (2, 102018380), (4, 51009190), (5, 40807352), (8, 25504595), (10, 20403676), (20, 10201838), (40, 5100919), (643, 317320), (1286, 158660), (2572, 79330), (3215, 63464), (5144, 39665), (6430, 31732), (7933, 25720), (12860, 15866)]