80896900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{709}}^1$

素因数の和:893

約数の個数: 72

約数和(自身を含む): 202139840

約数和(自身を除く): 121242940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 163, 175, 326, 350, 652, 700, 709, 815, 1141, 1418, 1630, 2282, 2836, 3260, 3545, 4075, 4564, 4963, 5705, 7090, 8150, 9926, 11410, 14180, 16300, 17725, 19852, 22820, 24815, 28525, 35450, 49630, 57050, 70900, 99260, 114100, 115567, 124075, 231134, 248150, 462268, 496300, 577835, 808969, 1155670, 1617938, 2311340, 2889175, 3235876, 4044845, 5778350, 8089690, 11556700, 16179380, 20224225, 40448450, 80896900]

約数ペア:

[(1, 80896900), (2, 40448450), (4, 20224225), (5, 16179380), (7, 11556700), (10, 8089690), (14, 5778350), (20, 4044845), (25, 3235876), (28, 2889175), (35, 2311340), (50, 1617938), (70, 1155670), (100, 808969), (140, 577835), (163, 496300), (175, 462268), (326, 248150), (350, 231134), (652, 124075), (700, 115567), (709, 114100), (815, 99260), (1141, 70900), (1418, 57050), (1630, 49630), (2282, 35450), (2836, 28525), (3260, 24815), (3545, 22820), (4075, 19852), (4564, 17725), (4963, 16300), (5705, 14180), (7090, 11410), (8150, 9926)]