80374600

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{5087}}^1$

素因数の和:5182

約数の個数: 48

約数和(自身を含む): 189273600

約数和(自身を除く): 108899000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 1580, 1975, 3160, 3950, 5087, 7900, 10174, 15800, 20348, 25435, 40696, 50870, 101740, 127175, 203480, 254350, 401873, 508700, 803746, 1017400, 1607492, 2009365, 3214984, 4018730, 8037460, 10046825, 16074920, 20093650, 40187300, 80374600]

約数ペア:

[(1, 80374600), (2, 40187300), (4, 20093650), (5, 16074920), (8, 10046825), (10, 8037460), (20, 4018730), (25, 3214984), (40, 2009365), (50, 1607492), (79, 1017400), (100, 803746), (158, 508700), (200, 401873), (316, 254350), (395, 203480), (632, 127175), (790, 101740), (1580, 50870), (1975, 40696), (3160, 25435), (3950, 20348), (5087, 15800), (7900, 10174)]