31845025

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 40622400

約数和(自身を除く): 8777375

約数列:

[1, 5, 25, 83, 103, 149, 415, 515, 745, 2075, 2575, 3725, 8549, 12367, 15347, 42745, 61835, 76735, 213725, 309175, 383675, 1273801, 6369005, 31845025]

約数ペア:

[(1, 31845025), (5, 6369005), (25, 1273801), (83, 383675), (103, 309175), (149, 213725), (415, 76735), (515, 61835), (745, 42745), (2075, 15347), (2575, 12367), (3725, 8549)]