87856720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{156887}}^1$

素因数の和:156907

約数の個数: 40

約数和(自身を含む): 233449344

約数和(自身を除く): 145592624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 156887, 313774, 627548, 784435, 1098209, 1255096, 1568870, 2196418, 2510192, 3137740, 4392836, 5491045, 6275480, 8785672, 10982090, 12550960, 17571344, 21964180, 43928360, 87856720]

約数ペア:

[(1, 87856720), (2, 43928360), (4, 21964180), (5, 17571344), (7, 12550960), (8, 10982090), (10, 8785672), (14, 6275480), (16, 5491045), (20, 4392836), (28, 3137740), (35, 2510192), (40, 2196418), (56, 1568870), (70, 1255096), (80, 1098209), (112, 784435), (140, 627548), (280, 313774), (560, 156887)]