13840120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{49429}}^1$

素因数の和:49447

約数の個数: 32

約数和(自身を含む): 35589600

約数和(自身を除く): 21749480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 49429, 98858, 197716, 247145, 346003, 395432, 494290, 692006, 988580, 1384012, 1730015, 1977160, 2768024, 3460030, 6920060, 13840120]

約数ペア:

[(1, 13840120), (2, 6920060), (4, 3460030), (5, 2768024), (7, 1977160), (8, 1730015), (10, 1384012), (14, 988580), (20, 692006), (28, 494290), (35, 395432), (40, 346003), (56, 247145), (70, 197716), (140, 98858), (280, 49429)]