2511380

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{631}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 5308800

約数和(自身を除く): 2797420

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 631, 796, 995, 1262, 1990, 2524, 3155, 3980, 6310, 12620, 125569, 251138, 502276, 627845, 1255690, 2511380]

約数ペア:

[(1, 2511380), (2, 1255690), (4, 627845), (5, 502276), (10, 251138), (20, 125569), (199, 12620), (398, 6310), (631, 3980), (796, 3155), (995, 2524), (1262, 1990)]