65687500

素因数分解:

$2^2\times 5^6\times {\mathrm{1051}}^1$

素因数の和:1085

約数の個数: 42

約数和(自身を含む): 143826284

約数和(自身を除く): 78138784

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1051, 1250, 2102, 2500, 3125, 4204, 5255, 6250, 10510, 12500, 15625, 21020, 26275, 31250, 52550, 62500, 105100, 131375, 262750, 525500, 656875, 1313750, 2627500, 3284375, 6568750, 13137500, 16421875, 32843750, 65687500]

約数ペア:

[(1, 65687500), (2, 32843750), (4, 16421875), (5, 13137500), (10, 6568750), (20, 3284375), (25, 2627500), (50, 1313750), (100, 656875), (125, 525500), (250, 262750), (500, 131375), (625, 105100), (1051, 62500), (1250, 52550), (2102, 31250), (2500, 26275), (3125, 21020), (4204, 15625), (5255, 12500), (6250, 10510)]