28356440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101273}}^1$

素因数の和:101291

約数の個数: 32

約数和(自身を含む): 72917280

約数和(自身を除く): 44560840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101273, 202546, 405092, 506365, 708911, 810184, 1012730, 1417822, 2025460, 2835644, 3544555, 4050920, 5671288, 7089110, 14178220, 28356440]

約数ペア:

[(1, 28356440), (2, 14178220), (4, 7089110), (5, 5671288), (7, 4050920), (8, 3544555), (10, 2835644), (14, 2025460), (20, 1417822), (28, 1012730), (35, 810184), (40, 708911), (56, 506365), (70, 405092), (140, 202546), (280, 101273)]