12620897290

素因数分解:

$2^1\times 5^1\times {\mathrm{4447}}^1\times {\mathrm{283807}}^1$

素因数の和:288261

約数の個数: 16

約数和(自身を含む): 22722803712

約数和(自身を除く): 10101906422

約数列:

[1, 2, 5, 10, 4447, 8894, 22235, 44470, 283807, 567614, 1419035, 2838070, 1262089729, 2524179458, 6310448645, 12620897290]

約数ペア:

[(1, 12620897290), (2, 6310448645), (5, 2524179458), (10, 1262089729), (4447, 2838070), (8894, 1419035), (22235, 567614), (44470, 283807)]