2565860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 5987520

約数和(自身を除く): 3421660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 109, 110, 214, 218, 220, 428, 436, 535, 545, 1070, 1090, 1177, 1199, 2140, 2180, 2354, 2398, 4708, 4796, 5885, 5995, 11663, 11770, 11990, 23326, 23540, 23980, 46652, 58315, 116630, 128293, 233260, 256586, 513172, 641465, 1282930, 2565860]

約数ペア:

[(1, 2565860), (2, 1282930), (4, 641465), (5, 513172), (10, 256586), (11, 233260), (20, 128293), (22, 116630), (44, 58315), (55, 46652), (107, 23980), (109, 23540), (110, 23326), (214, 11990), (218, 11770), (220, 11663), (428, 5995), (436, 5885), (535, 4796), (545, 4708), (1070, 2398), (1090, 2354), (1177, 2180), (1199, 2140)]