64203620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{246937}}^1$

素因数の和:246959

約数の個数: 24

約数和(自身を含む): 145199544

約数和(自身を除く): 80995924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 246937, 493874, 987748, 1234685, 2469370, 3210181, 4938740, 6420362, 12840724, 16050905, 32101810, 64203620]

約数ペア:

[(1, 64203620), (2, 32101810), (4, 16050905), (5, 12840724), (10, 6420362), (13, 4938740), (20, 3210181), (26, 2469370), (52, 1234685), (65, 987748), (130, 493874), (260, 246937)]