89581040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{26041}}^1$

素因数の和:26097

約数の個数: 40

約数和(自身を含む): 213127728

約数和(自身を除く): 123546688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 26041, 52082, 104164, 130205, 208328, 260410, 416656, 520820, 1041640, 1119763, 2083280, 2239526, 4479052, 5598815, 8958104, 11197630, 17916208, 22395260, 44790520, 89581040]

約数ペア:

[(1, 89581040), (2, 44790520), (4, 22395260), (5, 17916208), (8, 11197630), (10, 8958104), (16, 5598815), (20, 4479052), (40, 2239526), (43, 2083280), (80, 1119763), (86, 1041640), (172, 520820), (215, 416656), (344, 260410), (430, 208328), (688, 130205), (860, 104164), (1720, 52082), (3440, 26041)]