51715820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{449}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 117482400

約数和(自身を除く): 65766580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 443, 449, 886, 898, 1772, 1796, 2215, 2245, 4430, 4490, 5759, 5837, 8860, 8980, 11518, 11674, 23036, 23348, 28795, 29185, 57590, 58370, 115180, 116740, 198907, 397814, 795628, 994535, 1989070, 2585791, 3978140, 5171582, 10343164, 12928955, 25857910, 51715820]

約数ペア:

[(1, 51715820), (2, 25857910), (4, 12928955), (5, 10343164), (10, 5171582), (13, 3978140), (20, 2585791), (26, 1989070), (52, 994535), (65, 795628), (130, 397814), (260, 198907), (443, 116740), (449, 115180), (886, 58370), (898, 57590), (1772, 29185), (1796, 28795), (2215, 23348), (2245, 23036), (4430, 11674), (4490, 11518), (5759, 8980), (5837, 8860)]