51981620

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{5867}}^1$

素因数の和:6319

約数の個数: 24

約数和(自身を含む): 109426464

約数和(自身を除く): 57444844

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 5867, 8860, 11734, 23468, 29335, 58670, 117340, 2599081, 5198162, 10396324, 12995405, 25990810, 51981620]

約数ペア:

[(1, 51981620), (2, 25990810), (4, 12995405), (5, 10396324), (10, 5198162), (20, 2599081), (443, 117340), (886, 58670), (1772, 29335), (2215, 23468), (4430, 11734), (5867, 8860)]