81983500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{7129}}^1$

素因数の和:7171

約数の個数: 48

約数和(自身を含む): 186863040

約数和(自身を除く): 104879540

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 230, 250, 460, 500, 575, 1150, 2300, 2875, 5750, 7129, 11500, 14258, 28516, 35645, 71290, 142580, 163967, 178225, 327934, 356450, 655868, 712900, 819835, 891125, 1639670, 1782250, 3279340, 3564500, 4099175, 8198350, 16396700, 20495875, 40991750, 81983500]

約数ペア:

[(1, 81983500), (2, 40991750), (4, 20495875), (5, 16396700), (10, 8198350), (20, 4099175), (23, 3564500), (25, 3279340), (46, 1782250), (50, 1639670), (92, 891125), (100, 819835), (115, 712900), (125, 655868), (230, 356450), (250, 327934), (460, 178225), (500, 163967), (575, 142580), (1150, 71290), (2300, 35645), (2875, 28516), (5750, 14258), (7129, 11500)]