64907480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{147517}}^1$

素因数の和:147539

約数の個数: 32

約数和(自身を含む): 159319440

約数和(自身を除く): 94411960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 147517, 295034, 590068, 737585, 1180136, 1475170, 1622687, 2950340, 3245374, 5900680, 6490748, 8113435, 12981496, 16226870, 32453740, 64907480]

約数ペア:

[(1, 64907480), (2, 32453740), (4, 16226870), (5, 12981496), (8, 8113435), (10, 6490748), (11, 5900680), (20, 3245374), (22, 2950340), (40, 1622687), (44, 1475170), (55, 1180136), (88, 737585), (110, 590068), (220, 295034), (440, 147517)]