20512956800

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{915757}}^1$

素因数の和:915788

約数の個数: 96

約数和(自身を含む): 57912535920

約数和(自身を除く): 37399579120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 640, 700, 800, 896, 1120, 1400, 1600, 2240, 2800, 3200, 4480, 5600, 11200, 22400, 915757, 1831514, 3663028, 4578785, 6410299, 7326056, 9157570, 12820598, 14652112, 18315140, 22893925, 25641196, 29304224, 32051495, 36630280, 45787850, 51282392, 58608448, 64102990, 73260560, 91575700, 102564784, 117216896, 128205980, 146521120, 160257475, 183151400, 205129568, 256411960, 293042240, 320514950, 366302800, 410259136, 512823920, 586084480, 641029900, 732605600, 820518272, 1025647840, 1282059800, 1465211200, 2051295680, 2564119600, 2930422400, 4102591360, 5128239200, 10256478400, 20512956800]

約数ペア:

[(1, 20512956800), (2, 10256478400), (4, 5128239200), (5, 4102591360), (7, 2930422400), (8, 2564119600), (10, 2051295680), (14, 1465211200), (16, 1282059800), (20, 1025647840), (25, 820518272), (28, 732605600), (32, 641029900), (35, 586084480), (40, 512823920), (50, 410259136), (56, 366302800), (64, 320514950), (70, 293042240), (80, 256411960), (100, 205129568), (112, 183151400), (128, 160257475), (140, 146521120), (160, 128205980), (175, 117216896), (200, 102564784), (224, 91575700), (280, 73260560), (320, 64102990), (350, 58608448), (400, 51282392), (448, 45787850), (560, 36630280), (640, 32051495), (700, 29304224), (800, 25641196), (896, 22893925), (1120, 18315140), (1400, 14652112), (1600, 12820598), (2240, 9157570), (2800, 7326056), (3200, 6410299), (4480, 4578785), (5600, 3663028), (11200, 1831514), (22400, 915757)]