66428000

素因数分解:

$2^5\times 5^3\times {\mathrm{16607}}^1$

素因数の和:16632

約数の個数: 48

約数和(自身を含む): 163223424

約数和(自身を除く): 96795424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 16607, 33214, 66428, 83035, 132856, 166070, 265712, 332140, 415175, 531424, 664280, 830350, 1328560, 1660700, 2075875, 2657120, 3321400, 4151750, 6642800, 8303500, 13285600, 16607000, 33214000, 66428000]

約数ペア:

[(1, 66428000), (2, 33214000), (4, 16607000), (5, 13285600), (8, 8303500), (10, 6642800), (16, 4151750), (20, 3321400), (25, 2657120), (32, 2075875), (40, 1660700), (50, 1328560), (80, 830350), (100, 664280), (125, 531424), (160, 415175), (200, 332140), (250, 265712), (400, 166070), (500, 132856), (800, 83035), (1000, 66428), (2000, 33214), (4000, 16607)]