71984440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163601}}^1$

素因数の和:163623

約数の個数: 32

約数和(自身を含む): 176690160

約数和(自身を除く): 104705720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 163601, 327202, 654404, 818005, 1308808, 1636010, 1799611, 3272020, 3599222, 6544040, 7198444, 8998055, 14396888, 17996110, 35992220, 71984440]

約数ペア:

[(1, 71984440), (2, 35992220), (4, 17996110), (5, 14396888), (8, 8998055), (10, 7198444), (11, 6544040), (20, 3599222), (22, 3272020), (40, 1799611), (44, 1636010), (55, 1308808), (88, 818005), (110, 654404), (220, 327202), (440, 163601)]