4081484080

素因数分解:

$2^4\times 5^1\times {\mathrm{51018551}}^1$

素因数の和:51018564

約数の個数: 20

約数和(自身を含む): 9489450672

約数和(自身を除く): 5407966592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 51018551, 102037102, 204074204, 255092755, 408148408, 510185510, 816296816, 1020371020, 2040742040, 4081484080]

約数ペア:

[(1, 4081484080), (2, 2040742040), (4, 1020371020), (5, 816296816), (8, 510185510), (10, 408148408), (16, 255092755), (20, 204074204), (40, 102037102), (80, 51018551)]