31196440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70901}}^1$

素因数の和:70923

約数の個数: 32

約数和(自身を含む): 76574160

約数和(自身を除く): 45377720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 70901, 141802, 283604, 354505, 567208, 709010, 779911, 1418020, 1559822, 2836040, 3119644, 3899555, 6239288, 7799110, 15598220, 31196440]

約数ペア:

[(1, 31196440), (2, 15598220), (4, 7799110), (5, 6239288), (8, 3899555), (10, 3119644), (11, 2836040), (20, 1559822), (22, 1418020), (40, 779911), (44, 709010), (55, 567208), (88, 354505), (110, 283604), (220, 141802), (440, 70901)]