22688840

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{5507}}^1$

素因数の和:5621

約数の個数: 32

約数和(自身を含む): 51554880

約数和(自身を除く): 28866040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 5507, 11014, 22028, 27535, 44056, 55070, 110140, 220280, 567221, 1134442, 2268884, 2836105, 4537768, 5672210, 11344420, 22688840]

約数ペア:

[(1, 22688840), (2, 11344420), (4, 5672210), (5, 4537768), (8, 2836105), (10, 2268884), (20, 1134442), (40, 567221), (103, 220280), (206, 110140), (412, 55070), (515, 44056), (824, 27535), (1030, 22028), (2060, 11014), (4120, 5507)]