81238960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{92317}}^1$

素因数の和:92341

約数の個数: 40

約数和(自身を含む): 206053776

約数和(自身を除く): 124814816

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 92317, 184634, 369268, 461585, 738536, 923170, 1015487, 1477072, 1846340, 2030974, 3692680, 4061948, 5077435, 7385360, 8123896, 10154870, 16247792, 20309740, 40619480, 81238960]

約数ペア:

[(1, 81238960), (2, 40619480), (4, 20309740), (5, 16247792), (8, 10154870), (10, 8123896), (11, 7385360), (16, 5077435), (20, 4061948), (22, 3692680), (40, 2030974), (44, 1846340), (55, 1477072), (80, 1015487), (88, 923170), (110, 738536), (176, 461585), (220, 369268), (440, 184634), (880, 92317)]