28287560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101027}}^1$

素因数の和:101045

約数の個数: 32

約数和(自身を含む): 72740160

約数和(自身を除く): 44452600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101027, 202054, 404108, 505135, 707189, 808216, 1010270, 1414378, 2020540, 2828756, 3535945, 4041080, 5657512, 7071890, 14143780, 28287560]

約数ペア:

[(1, 28287560), (2, 14143780), (4, 7071890), (5, 5657512), (7, 4041080), (8, 3535945), (10, 2828756), (14, 2020540), (20, 1414378), (28, 1010270), (35, 808216), (40, 707189), (56, 505135), (70, 404108), (140, 202054), (280, 101027)]