12128500

素因数分解:

$2^2\times 5^3\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:337

約数の個数: 48

約数和(自身を含む): 26836992

約数和(自身を除く): 14708492

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 127, 191, 250, 254, 382, 500, 508, 635, 764, 955, 1270, 1910, 2540, 3175, 3820, 4775, 6350, 9550, 12700, 15875, 19100, 23875, 24257, 31750, 47750, 48514, 63500, 95500, 97028, 121285, 242570, 485140, 606425, 1212850, 2425700, 3032125, 6064250, 12128500]

約数ペア:

[(1, 12128500), (2, 6064250), (4, 3032125), (5, 2425700), (10, 1212850), (20, 606425), (25, 485140), (50, 242570), (100, 121285), (125, 97028), (127, 95500), (191, 63500), (250, 48514), (254, 47750), (382, 31750), (500, 24257), (508, 23875), (635, 19100), (764, 15875), (955, 12700), (1270, 9550), (1910, 6350), (2540, 4775), (3175, 3820)]