1856156720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2109269}}^1$

素因数の和:2109293

約数の個数: 40

約数和(自身を含む): 4707890640

約数和(自身を除く): 2851733920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2109269, 4218538, 8437076, 10546345, 16874152, 21092690, 23201959, 33748304, 42185380, 46403918, 84370760, 92807836, 116009795, 168741520, 185615672, 232019590, 371231344, 464039180, 928078360, 1856156720]

約数ペア:

[(1, 1856156720), (2, 928078360), (4, 464039180), (5, 371231344), (8, 232019590), (10, 185615672), (11, 168741520), (16, 116009795), (20, 92807836), (22, 84370760), (40, 46403918), (44, 42185380), (55, 33748304), (80, 23201959), (88, 21092690), (110, 16874152), (176, 10546345), (220, 8437076), (440, 4218538), (880, 2109269)]