195999620

素因数分解:

$2^2\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{7591}}^1$

素因数の和:8891

約数の個数: 24

約数和(自身を含む): 411972288

約数和(自身を除く): 215972668

約数列:

[1, 2, 4, 5, 10, 20, 1291, 2582, 5164, 6455, 7591, 12910, 15182, 25820, 30364, 37955, 75910, 151820, 9799981, 19599962, 39199924, 48999905, 97999810, 195999620]

約数ペア:

[(1, 195999620), (2, 97999810), (4, 48999905), (5, 39199924), (10, 19599962), (20, 9799981), (1291, 151820), (2582, 75910), (5164, 37955), (6455, 30364), (7591, 25820), (12910, 15182)]