2812880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{5023}}^1$

素因数の和:5043

約数の個数: 40

約数和(自身を含む): 7475712

約数和(自身を除く): 4662832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 5023, 10046, 20092, 25115, 35161, 40184, 50230, 70322, 80368, 100460, 140644, 175805, 200920, 281288, 351610, 401840, 562576, 703220, 1406440, 2812880]

約数ペア:

[(1, 2812880), (2, 1406440), (4, 703220), (5, 562576), (7, 401840), (8, 351610), (10, 281288), (14, 200920), (16, 175805), (20, 140644), (28, 100460), (35, 80368), (40, 70322), (56, 50230), (70, 40184), (80, 35161), (112, 25115), (140, 20092), (280, 10046), (560, 5023)]