51064780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10337}}^1$

素因数の和:10378

約数の個数: 48

約数和(自身を含む): 121574880

約数和(自身を除く): 70510100

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 10337, 20674, 41348, 51685, 103370, 134381, 196403, 206740, 268762, 392806, 537524, 671905, 785612, 982015, 1343810, 1964030, 2553239, 2687620, 3928060, 5106478, 10212956, 12766195, 25532390, 51064780]

約数ペア:

[(1, 51064780), (2, 25532390), (4, 12766195), (5, 10212956), (10, 5106478), (13, 3928060), (19, 2687620), (20, 2553239), (26, 1964030), (38, 1343810), (52, 982015), (65, 785612), (76, 671905), (95, 537524), (130, 392806), (190, 268762), (247, 206740), (260, 196403), (380, 134381), (494, 103370), (988, 51685), (1235, 41348), (2470, 20674), (4940, 10337)]