66958640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{119569}}^1$

素因数の和:119589

約数の個数: 40

約数和(自身を含む): 177920160

約数和(自身を除く): 110961520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 119569, 239138, 478276, 597845, 836983, 956552, 1195690, 1673966, 1913104, 2391380, 3347932, 4184915, 4782760, 6695864, 8369830, 9565520, 13391728, 16739660, 33479320, 66958640]

約数ペア:

[(1, 66958640), (2, 33479320), (4, 16739660), (5, 13391728), (7, 9565520), (8, 8369830), (10, 6695864), (14, 4782760), (16, 4184915), (20, 3347932), (28, 2391380), (35, 1913104), (40, 1673966), (56, 1195690), (70, 956552), (80, 836983), (112, 597845), (140, 478276), (280, 239138), (560, 119569)]