12505025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 16899960

約数和(自身を除く): 4394935

約数列:

[1, 5, 13, 25, 65, 109, 325, 353, 545, 1417, 1765, 2725, 4589, 7085, 8825, 22945, 35425, 38477, 114725, 192385, 500201, 961925, 2501005, 12505025]

約数ペア:

[(1, 12505025), (5, 2501005), (13, 961925), (25, 500201), (65, 192385), (109, 114725), (325, 38477), (353, 35425), (545, 22945), (1417, 8825), (1765, 7085), (2725, 4589)]