880204720

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{1787}}^1$

素因数の和:1978

約数の個数: 80

約数和(自身を含む): 2107150848

約数和(自身を除く): 1226946128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 131, 188, 235, 262, 376, 470, 524, 655, 752, 940, 1048, 1310, 1787, 1880, 2096, 2620, 3574, 3760, 5240, 6157, 7148, 8935, 10480, 12314, 14296, 17870, 24628, 28592, 30785, 35740, 49256, 61570, 71480, 83989, 98512, 123140, 142960, 167978, 234097, 246280, 335956, 419945, 468194, 492560, 671912, 839890, 936388, 1170485, 1343824, 1679780, 1872776, 2340970, 3359560, 3745552, 4681940, 6719120, 9363880, 11002559, 18727760, 22005118, 44010236, 55012795, 88020472, 110025590, 176040944, 220051180, 440102360, 880204720]

約数ペア:

[(1, 880204720), (2, 440102360), (4, 220051180), (5, 176040944), (8, 110025590), (10, 88020472), (16, 55012795), (20, 44010236), (40, 22005118), (47, 18727760), (80, 11002559), (94, 9363880), (131, 6719120), (188, 4681940), (235, 3745552), (262, 3359560), (376, 2340970), (470, 1872776), (524, 1679780), (655, 1343824), (752, 1170485), (940, 936388), (1048, 839890), (1310, 671912), (1787, 492560), (1880, 468194), (2096, 419945), (2620, 335956), (3574, 246280), (3760, 234097), (5240, 167978), (6157, 142960), (7148, 123140), (8935, 98512), (10480, 83989), (12314, 71480), (14296, 61570), (17870, 49256), (24628, 35740), (28592, 30785)]