8178280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18587}}^1$

素因数の和:18609

約数の個数: 32

約数和(自身を含む): 20075040

約数和(自身を除く): 11896760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 18587, 37174, 74348, 92935, 148696, 185870, 204457, 371740, 408914, 743480, 817828, 1022285, 1635656, 2044570, 4089140, 8178280]

約数ペア:

[(1, 8178280), (2, 4089140), (4, 2044570), (5, 1635656), (8, 1022285), (10, 817828), (11, 743480), (20, 408914), (22, 371740), (40, 204457), (44, 185870), (55, 148696), (88, 92935), (110, 74348), (220, 37174), (440, 18587)]