54991000

素因数分解:

$2^3\times 5^3\times {\mathrm{127}}^1\times {\mathrm{433}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 129991680

約数和(自身を除く): 75000680

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 127, 200, 250, 254, 433, 500, 508, 635, 866, 1000, 1016, 1270, 1732, 2165, 2540, 3175, 3464, 4330, 5080, 6350, 8660, 10825, 12700, 15875, 17320, 21650, 25400, 31750, 43300, 54125, 54991, 63500, 86600, 108250, 109982, 127000, 216500, 219964, 274955, 433000, 439928, 549910, 1099820, 1374775, 2199640, 2749550, 5499100, 6873875, 10998200, 13747750, 27495500, 54991000]

約数ペア:

[(1, 54991000), (2, 27495500), (4, 13747750), (5, 10998200), (8, 6873875), (10, 5499100), (20, 2749550), (25, 2199640), (40, 1374775), (50, 1099820), (100, 549910), (125, 439928), (127, 433000), (200, 274955), (250, 219964), (254, 216500), (433, 127000), (500, 109982), (508, 108250), (635, 86600), (866, 63500), (1000, 54991), (1016, 54125), (1270, 43300), (1732, 31750), (2165, 25400), (2540, 21650), (3175, 17320), (3464, 15875), (4330, 12700), (5080, 10825), (6350, 8660)]