189787120

素因数分解:

$2^4\times 5^1\times {\mathrm{547}}^1\times {\mathrm{4337}}^1$

素因数の和:4897

約数の個数: 40

約数和(自身を含む): 442163664

約数和(自身を除く): 252376544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 547, 1094, 2188, 2735, 4337, 4376, 5470, 8674, 8752, 10940, 17348, 21685, 21880, 34696, 43370, 43760, 69392, 86740, 173480, 346960, 2372339, 4744678, 9489356, 11861695, 18978712, 23723390, 37957424, 47446780, 94893560, 189787120]

約数ペア:

[(1, 189787120), (2, 94893560), (4, 47446780), (5, 37957424), (8, 23723390), (10, 18978712), (16, 11861695), (20, 9489356), (40, 4744678), (80, 2372339), (547, 346960), (1094, 173480), (2188, 86740), (2735, 69392), (4337, 43760), (4376, 43370), (5470, 34696), (8674, 21880), (8752, 21685), (10940, 17348)]