12556900

素因数分解:

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

素因数の和:844

約数の個数: 36

約数和(自身を含む): 27428800

約数和(自身を除く): 14871900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 199, 398, 631, 796, 995, 1262, 1990, 2524, 3155, 3980, 4975, 6310, 9950, 12620, 15775, 19900, 31550, 63100, 125569, 251138, 502276, 627845, 1255690, 2511380, 3139225, 6278450, 12556900]

約数ペア:

[(1, 12556900), (2, 6278450), (4, 3139225), (5, 2511380), (10, 1255690), (20, 627845), (25, 502276), (50, 251138), (100, 125569), (199, 63100), (398, 31550), (631, 19900), (796, 15775), (995, 12620), (1262, 9950), (1990, 6310), (2524, 4975), (3155, 3980)]