81325762160

素因数分解:

$2^4\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1226263}}^1$

素因数の和:1227105

約数の個数: 40

約数和(自身を含む): 189310636320

約数和(自身を除く): 107984874160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 829, 1658, 3316, 4145, 6632, 8290, 13264, 16580, 33160, 66320, 1226263, 2452526, 4905052, 6131315, 9810104, 12262630, 19620208, 24525260, 49050520, 98101040, 1016572027, 2033144054, 4066288108, 5082860135, 8132576216, 10165720270, 16265152432, 20331440540, 40662881080, 81325762160]

約数ペア:

[(1, 81325762160), (2, 40662881080), (4, 20331440540), (5, 16265152432), (8, 10165720270), (10, 8132576216), (16, 5082860135), (20, 4066288108), (40, 2033144054), (80, 1016572027), (829, 98101040), (1658, 49050520), (3316, 24525260), (4145, 19620208), (6632, 12262630), (8290, 9810104), (13264, 6131315), (16580, 4905052), (33160, 2452526), (66320, 1226263)]