7914280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17987}}^1$

素因数の和:18009

約数の個数: 32

約数和(自身を含む): 19427040

約数和(自身を除く): 11512760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 17987, 35974, 71948, 89935, 143896, 179870, 197857, 359740, 395714, 719480, 791428, 989285, 1582856, 1978570, 3957140, 7914280]

約数ペア:

[(1, 7914280), (2, 3957140), (4, 1978570), (5, 1582856), (8, 989285), (10, 791428), (11, 719480), (20, 395714), (22, 359740), (40, 197857), (44, 179870), (55, 143896), (88, 89935), (110, 71948), (220, 35974), (440, 17987)]