2801680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{5003}}^1$

素因数の和:5023

約数の個数: 40

約数和(自身を含む): 7445952

約数和(自身を除く): 4644272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 5003, 10006, 20012, 25015, 35021, 40024, 50030, 70042, 80048, 100060, 140084, 175105, 200120, 280168, 350210, 400240, 560336, 700420, 1400840, 2801680]

約数ペア:

[(1, 2801680), (2, 1400840), (4, 700420), (5, 560336), (7, 400240), (8, 350210), (10, 280168), (14, 200120), (16, 175105), (20, 140084), (28, 100060), (35, 80048), (40, 70042), (56, 50030), (70, 40024), (80, 35021), (112, 25015), (140, 20012), (280, 10006), (560, 5003)]