80136340

素因数分解:

$2^2\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{3613}}^1$

素因数の和:4731

約数の個数: 24

約数和(自身を含む): 168484680

約数和(自身を除く): 88348340

約数列:

[1, 2, 4, 5, 10, 20, 1109, 2218, 3613, 4436, 5545, 7226, 11090, 14452, 18065, 22180, 36130, 72260, 4006817, 8013634, 16027268, 20034085, 40068170, 80136340]

約数ペア:

[(1, 80136340), (2, 40068170), (4, 20034085), (5, 16027268), (10, 8013634), (20, 4006817), (1109, 72260), (2218, 36130), (3613, 22180), (4436, 18065), (5545, 14452), (7226, 11090)]