28775000

素因数分解:

$2^3\times 5^5\times {\mathrm{1151}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 67495680

約数和(自身を除く): 38720680

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1151, 1250, 2302, 2500, 3125, 4604, 5000, 5755, 6250, 9208, 11510, 12500, 23020, 25000, 28775, 46040, 57550, 115100, 143875, 230200, 287750, 575500, 719375, 1151000, 1438750, 2877500, 3596875, 5755000, 7193750, 14387500, 28775000]

約数ペア:

[(1, 28775000), (2, 14387500), (4, 7193750), (5, 5755000), (8, 3596875), (10, 2877500), (20, 1438750), (25, 1151000), (40, 719375), (50, 575500), (100, 287750), (125, 230200), (200, 143875), (250, 115100), (500, 57550), (625, 46040), (1000, 28775), (1151, 25000), (1250, 23020), (2302, 12500), (2500, 11510), (3125, 9208), (4604, 6250), (5000, 5755)]