61219220

素因数分解:

$2^2\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{2371}}^1$

素因数の和:3671

約数の個数: 24

約数和(自身を含む): 128714208

約数和(自身を除く): 67494988

約数列:

[1, 2, 4, 5, 10, 20, 1291, 2371, 2582, 4742, 5164, 6455, 9484, 11855, 12910, 23710, 25820, 47420, 3060961, 6121922, 12243844, 15304805, 30609610, 61219220]

約数ペア:

[(1, 61219220), (2, 30609610), (4, 15304805), (5, 12243844), (10, 6121922), (20, 3060961), (1291, 47420), (2371, 25820), (2582, 23710), (4742, 12910), (5164, 11855), (6455, 9484)]