12782682020

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2546351}}^1$

素因数の和:2546611

約数の個数: 24

約数和(自身を含む): 26950589568

約数和(自身を除く): 14167907548

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 2546351, 5092702, 10185404, 12731755, 25463510, 50927020, 639134101, 1278268202, 2556536404, 3195670505, 6391341010, 12782682020]

約数ペア:

[(1, 12782682020), (2, 6391341010), (4, 3195670505), (5, 2556536404), (10, 1278268202), (20, 639134101), (251, 50927020), (502, 25463510), (1004, 12731755), (1255, 10185404), (2510, 5092702), (5020, 2546351)]