520001225

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{1913}}^1$

素因数の和:2137

約数の個数: 24

約数和(自身を含む): 657895392

約数和(自身を除く): 137894167

約数列:

[1, 5, 25, 83, 131, 415, 655, 1913, 2075, 3275, 9565, 10873, 47825, 54365, 158779, 250603, 271825, 793895, 1253015, 3969475, 6265075, 20800049, 104000245, 520001225]

約数ペア:

[(1, 520001225), (5, 104000245), (25, 20800049), (83, 6265075), (131, 3969475), (415, 1253015), (655, 793895), (1913, 271825), (2075, 250603), (3275, 158779), (9565, 54365), (10873, 47825)]