12905275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:399

約数の個数: 24

約数和(自身を含む): 17074800

約数和(自身を除く): 4169525

約数列:

[1, 5, 19, 25, 95, 101, 269, 475, 505, 1345, 1919, 2525, 5111, 6725, 9595, 25555, 27169, 47975, 127775, 135845, 516211, 679225, 2581055, 12905275]

約数ペア:

[(1, 12905275), (5, 2581055), (19, 679225), (25, 516211), (95, 135845), (101, 127775), (269, 47975), (475, 27169), (505, 25555), (1345, 9595), (1919, 6725), (2525, 5111)]