181269080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{105389}}^1$

素因数の和:105443

約数の個数: 32

約数和(自身を含む): 417344400

約数和(自身を除く): 236075320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 105389, 210778, 421556, 526945, 843112, 1053890, 2107780, 4215560, 4531727, 9063454, 18126908, 22658635, 36253816, 45317270, 90634540, 181269080]

約数ペア:

[(1, 181269080), (2, 90634540), (4, 45317270), (5, 36253816), (8, 22658635), (10, 18126908), (20, 9063454), (40, 4531727), (43, 4215560), (86, 2107780), (172, 1053890), (215, 843112), (344, 526945), (430, 421556), (860, 210778), (1720, 105389)]