28437080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101561}}^1$

素因数の和:101579

約数の個数: 32

約数和(自身を含む): 73124640

約数和(自身を除く): 44687560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101561, 203122, 406244, 507805, 710927, 812488, 1015610, 1421854, 2031220, 2843708, 3554635, 4062440, 5687416, 7109270, 14218540, 28437080]

約数ペア:

[(1, 28437080), (2, 14218540), (4, 7109270), (5, 5687416), (7, 4062440), (8, 3554635), (10, 2843708), (14, 2031220), (20, 1421854), (28, 1015610), (35, 812488), (40, 710927), (56, 507805), (70, 406244), (140, 203122), (280, 101561)]