79775000

素因数分解:

$2^3\times 5^5\times {\mathrm{3191}}^1$

素因数の和:3222

約数の個数: 48

約数和(自身を含む): 187019280

約数和(自身を除く): 107244280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 3125, 3191, 5000, 6250, 6382, 12500, 12764, 15955, 25000, 25528, 31910, 63820, 79775, 127640, 159550, 319100, 398875, 638200, 797750, 1595500, 1994375, 3191000, 3988750, 7977500, 9971875, 15955000, 19943750, 39887500, 79775000]

約数ペア:

[(1, 79775000), (2, 39887500), (4, 19943750), (5, 15955000), (8, 9971875), (10, 7977500), (20, 3988750), (25, 3191000), (40, 1994375), (50, 1595500), (100, 797750), (125, 638200), (200, 398875), (250, 319100), (500, 159550), (625, 127640), (1000, 79775), (1250, 63820), (2500, 31910), (3125, 25528), (3191, 25000), (5000, 15955), (6250, 12764), (6382, 12500)]