1081000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:91

約数の個数: 64

約数和(自身を含む): 2695680

約数和(自身を除く): 1614680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 47, 50, 92, 94, 100, 115, 125, 184, 188, 200, 230, 235, 250, 376, 460, 470, 500, 575, 920, 940, 1000, 1081, 1150, 1175, 1880, 2162, 2300, 2350, 2875, 4324, 4600, 4700, 5405, 5750, 5875, 8648, 9400, 10810, 11500, 11750, 21620, 23000, 23500, 27025, 43240, 47000, 54050, 108100, 135125, 216200, 270250, 540500, 1081000]

約数ペア:

[(1, 1081000), (2, 540500), (4, 270250), (5, 216200), (8, 135125), (10, 108100), (20, 54050), (23, 47000), (25, 43240), (40, 27025), (46, 23500), (47, 23000), (50, 21620), (92, 11750), (94, 11500), (100, 10810), (115, 9400), (125, 8648), (184, 5875), (188, 5750), (200, 5405), (230, 4700), (235, 4600), (250, 4324), (376, 2875), (460, 2350), (470, 2300), (500, 2162), (575, 1880), (920, 1175), (940, 1150), (1000, 1081)]