817432880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40387}}^1$

素因数の和:40434

約数の個数: 80

約数和(自身を含む): 2163504384

約数和(自身を除く): 1346071504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1840, 2024, 2530, 4048, 5060, 10120, 20240, 40387, 80774, 161548, 201935, 323096, 403870, 444257, 646192, 807740, 888514, 928901, 1615480, 1777028, 1857802, 2221285, 3230960, 3554056, 3715604, 4442570, 4644505, 7108112, 7431208, 8885140, 9289010, 10217911, 14862416, 17770280, 18578020, 20435822, 35540560, 37156040, 40871644, 51089555, 74312080, 81743288, 102179110, 163486576, 204358220, 408716440, 817432880]

約数ペア:

[(1, 817432880), (2, 408716440), (4, 204358220), (5, 163486576), (8, 102179110), (10, 81743288), (11, 74312080), (16, 51089555), (20, 40871644), (22, 37156040), (23, 35540560), (40, 20435822), (44, 18578020), (46, 17770280), (55, 14862416), (80, 10217911), (88, 9289010), (92, 8885140), (110, 7431208), (115, 7108112), (176, 4644505), (184, 4442570), (220, 3715604), (230, 3554056), (253, 3230960), (368, 2221285), (440, 1857802), (460, 1777028), (506, 1615480), (880, 928901), (920, 888514), (1012, 807740), (1265, 646192), (1840, 444257), (2024, 403870), (2530, 323096), (4048, 201935), (5060, 161548), (10120, 80774), (20240, 40387)]