82661821640

素因数分解:

$2^3\times 5^1\times {\mathrm{2066545541}}^1$

素因数の和:2066545552

約数の個数: 16

約数和(自身を含む): 185989098780

約数和(自身を除く): 103327277140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2066545541, 4133091082, 8266182164, 10332727705, 16532364328, 20665455410, 41330910820, 82661821640]

約数ペア:

[(1, 82661821640), (2, 41330910820), (4, 20665455410), (5, 16532364328), (8, 10332727705), (10, 8266182164), (20, 4133091082), (40, 2066545541)]