9745000

素因数分解:

$2^3\times 5^4\times {\mathrm{1949}}^1$

素因数の和:1975

約数の個数: 40

約数和(自身を含む): 22844250

約数和(自身を除く): 13099250

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 1949, 2500, 3898, 5000, 7796, 9745, 15592, 19490, 38980, 48725, 77960, 97450, 194900, 243625, 389800, 487250, 974500, 1218125, 1949000, 2436250, 4872500, 9745000]

約数ペア:

[(1, 9745000), (2, 4872500), (4, 2436250), (5, 1949000), (8, 1218125), (10, 974500), (20, 487250), (25, 389800), (40, 243625), (50, 194900), (100, 97450), (125, 77960), (200, 48725), (250, 38980), (500, 19490), (625, 15592), (1000, 9745), (1250, 7796), (1949, 5000), (2500, 3898)]