15841840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{28289}}^1$

素因数の和:28309

約数の個数: 40

約数和(自身を含む): 42095520

約数和(自身を除く): 26253680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 28289, 56578, 113156, 141445, 198023, 226312, 282890, 396046, 452624, 565780, 792092, 990115, 1131560, 1584184, 1980230, 2263120, 3168368, 3960460, 7920920, 15841840]

約数ペア:

[(1, 15841840), (2, 7920920), (4, 3960460), (5, 3168368), (7, 2263120), (8, 1980230), (10, 1584184), (14, 1131560), (16, 990115), (20, 792092), (28, 565780), (35, 452624), (40, 396046), (56, 282890), (70, 226312), (80, 198023), (112, 141445), (140, 113156), (280, 56578), (560, 28289)]