31680025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{911}}^1$

素因数の和:1041

約数の個数: 24

約数和(自身を含む): 42747264

約数和(自身を除く): 11067239

約数列:

[1, 5, 13, 25, 65, 107, 325, 535, 911, 1391, 2675, 4555, 6955, 11843, 22775, 34775, 59215, 97477, 296075, 487385, 1267201, 2436925, 6336005, 31680025]

約数ペア:

[(1, 31680025), (5, 6336005), (13, 2436925), (25, 1267201), (65, 487385), (107, 296075), (325, 97477), (535, 59215), (911, 34775), (1391, 22775), (2675, 11843), (4555, 6955)]