51915820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{643}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 119443968

約数和(自身を除く): 67528148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 367, 643, 734, 1286, 1468, 1835, 2572, 3215, 3670, 4037, 6430, 7073, 7340, 8074, 12860, 14146, 16148, 20185, 28292, 35365, 40370, 70730, 80740, 141460, 235981, 471962, 943924, 1179905, 2359810, 2595791, 4719620, 5191582, 10383164, 12978955, 25957910, 51915820]

約数ペア:

[(1, 51915820), (2, 25957910), (4, 12978955), (5, 10383164), (10, 5191582), (11, 4719620), (20, 2595791), (22, 2359810), (44, 1179905), (55, 943924), (110, 471962), (220, 235981), (367, 141460), (643, 80740), (734, 70730), (1286, 40370), (1468, 35365), (1835, 28292), (2572, 20185), (3215, 16148), (3670, 14146), (4037, 12860), (6430, 8074), (7073, 7340)]