91087760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{26479}}^1$

素因数の和:26535

約数の個数: 40

約数和(自身を含む): 216712320

約数和(自身を除く): 125624560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 26479, 52958, 105916, 132395, 211832, 264790, 423664, 529580, 1059160, 1138597, 2118320, 2277194, 4554388, 5692985, 9108776, 11385970, 18217552, 22771940, 45543880, 91087760]

約数ペア:

[(1, 91087760), (2, 45543880), (4, 22771940), (5, 18217552), (8, 11385970), (10, 9108776), (16, 5692985), (20, 4554388), (40, 2277194), (43, 2118320), (80, 1138597), (86, 1059160), (172, 529580), (215, 423664), (344, 264790), (430, 211832), (688, 132395), (860, 105916), (1720, 52958), (3440, 26479)]