5131720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 12830400

約数和(自身を除く): 7698680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 109, 110, 214, 218, 220, 428, 436, 440, 535, 545, 856, 872, 1070, 1090, 1177, 1199, 2140, 2180, 2354, 2398, 4280, 4360, 4708, 4796, 5885, 5995, 9416, 9592, 11663, 11770, 11990, 23326, 23540, 23980, 46652, 47080, 47960, 58315, 93304, 116630, 128293, 233260, 256586, 466520, 513172, 641465, 1026344, 1282930, 2565860, 5131720]

約数ペア:

[(1, 5131720), (2, 2565860), (4, 1282930), (5, 1026344), (8, 641465), (10, 513172), (11, 466520), (20, 256586), (22, 233260), (40, 128293), (44, 116630), (55, 93304), (88, 58315), (107, 47960), (109, 47080), (110, 46652), (214, 23980), (218, 23540), (220, 23326), (428, 11990), (436, 11770), (440, 11663), (535, 9592), (545, 9416), (856, 5995), (872, 5885), (1070, 4796), (1090, 4708), (1177, 4360), (1199, 4280), (2140, 2398), (2180, 2354)]