869382440

素因数分解:

$2^3\times 5^1\times {\mathrm{1789}}^1\times {\mathrm{12149}}^1$

素因数の和:13949

約数の個数: 32

約数和(自身を含む): 1957365000

約数和(自身を除く): 1087982560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1789, 3578, 7156, 8945, 12149, 14312, 17890, 24298, 35780, 48596, 60745, 71560, 97192, 121490, 242980, 485960, 21734561, 43469122, 86938244, 108672805, 173876488, 217345610, 434691220, 869382440]

約数ペア:

[(1, 869382440), (2, 434691220), (4, 217345610), (5, 173876488), (8, 108672805), (10, 86938244), (20, 43469122), (40, 21734561), (1789, 485960), (3578, 242980), (7156, 121490), (8945, 97192), (12149, 71560), (14312, 60745), (17890, 48596), (24298, 35780)]