80960440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4973}}^1$

素因数の和:5032

約数の個数: 64

約数和(自身を含む): 204132960

約数和(自身を除く): 123172520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 4973, 8140, 9946, 16280, 19892, 24865, 39784, 49730, 54703, 99460, 109406, 184001, 198920, 218812, 273515, 368002, 437624, 547030, 736004, 920005, 1094060, 1472008, 1840010, 2024011, 2188120, 3680020, 4048022, 7360040, 8096044, 10120055, 16192088, 20240110, 40480220, 80960440]

約数ペア:

[(1, 80960440), (2, 40480220), (4, 20240110), (5, 16192088), (8, 10120055), (10, 8096044), (11, 7360040), (20, 4048022), (22, 3680020), (37, 2188120), (40, 2024011), (44, 1840010), (55, 1472008), (74, 1094060), (88, 920005), (110, 736004), (148, 547030), (185, 437624), (220, 368002), (296, 273515), (370, 218812), (407, 198920), (440, 184001), (740, 109406), (814, 99460), (1480, 54703), (1628, 49730), (2035, 39784), (3256, 24865), (4070, 19892), (4973, 16280), (8140, 9946)]