2003680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1789}}^1$

素因数の和:1811

約数の個数: 48

約数和(自身を含む): 5412960

約数和(自身を除く): 3409280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 1789, 3578, 7156, 8945, 12523, 14312, 17890, 25046, 28624, 35780, 50092, 57248, 62615, 71560, 100184, 125230, 143120, 200368, 250460, 286240, 400736, 500920, 1001840, 2003680]

約数ペア:

[(1, 2003680), (2, 1001840), (4, 500920), (5, 400736), (7, 286240), (8, 250460), (10, 200368), (14, 143120), (16, 125230), (20, 100184), (28, 71560), (32, 62615), (35, 57248), (40, 50092), (56, 35780), (70, 28624), (80, 25046), (112, 17890), (140, 14312), (160, 12523), (224, 8945), (280, 7156), (560, 3578), (1120, 1789)]