140251840

素因数分解:

$2^6\times 5^1\times {\mathrm{438287}}^1$

素因数の和:438304

約数の個数: 28

約数和(自身を含む): 333975456

約数和(自身を除く): 193723616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 438287, 876574, 1753148, 2191435, 3506296, 4382870, 7012592, 8765740, 14025184, 17531480, 28050368, 35062960, 70125920, 140251840]

約数ペア:

[(1, 140251840), (2, 70125920), (4, 35062960), (5, 28050368), (8, 17531480), (10, 14025184), (16, 8765740), (20, 7012592), (32, 4382870), (40, 3506296), (64, 2191435), (80, 1753148), (160, 876574), (320, 438287)]