20080160

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3061}}^1$

素因数の和:3117

約数の個数: 48

約数和(自身を含む): 48612312

約数和(自身を除く): 28532152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3061, 3280, 6122, 6560, 12244, 15305, 24488, 30610, 48976, 61220, 97952, 122440, 125501, 244880, 251002, 489760, 502004, 627505, 1004008, 1255010, 2008016, 2510020, 4016032, 5020040, 10040080, 20080160]

約数ペア:

[(1, 20080160), (2, 10040080), (4, 5020040), (5, 4016032), (8, 2510020), (10, 2008016), (16, 1255010), (20, 1004008), (32, 627505), (40, 502004), (41, 489760), (80, 251002), (82, 244880), (160, 125501), (164, 122440), (205, 97952), (328, 61220), (410, 48976), (656, 30610), (820, 24488), (1312, 15305), (1640, 12244), (3061, 6560), (3280, 6122)]