28485520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{50867}}^1$

素因数の和:50887

約数の個数: 40

約数和(自身を含む): 75691584

約数和(自身を除く): 47206064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 50867, 101734, 203468, 254335, 356069, 406936, 508670, 712138, 813872, 1017340, 1424276, 1780345, 2034680, 2848552, 3560690, 4069360, 5697104, 7121380, 14242760, 28485520]

約数ペア:

[(1, 28485520), (2, 14242760), (4, 7121380), (5, 5697104), (7, 4069360), (8, 3560690), (10, 2848552), (14, 2034680), (16, 1780345), (20, 1424276), (28, 1017340), (35, 813872), (40, 712138), (56, 508670), (70, 406936), (80, 356069), (112, 254335), (140, 203468), (280, 101734), (560, 50867)]