27625180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{631}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 63705600

約数和(自身を除く): 36080420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 631, 796, 995, 1262, 1990, 2189, 2524, 3155, 3980, 4378, 6310, 6941, 8756, 10945, 12620, 13882, 21890, 27764, 34705, 43780, 69410, 125569, 138820, 251138, 502276, 627845, 1255690, 1381259, 2511380, 2762518, 5525036, 6906295, 13812590, 27625180]

約数ペア:

[(1, 27625180), (2, 13812590), (4, 6906295), (5, 5525036), (10, 2762518), (11, 2511380), (20, 1381259), (22, 1255690), (44, 627845), (55, 502276), (110, 251138), (199, 138820), (220, 125569), (398, 69410), (631, 43780), (796, 34705), (995, 27764), (1262, 21890), (1990, 13882), (2189, 12620), (2524, 10945), (3155, 8756), (3980, 6941), (4378, 6310)]