79042160

素因数分解:

$2^4\times 5^1\times {\mathrm{991}}^1\times {\mathrm{997}}^1$

素因数の和:2001

約数の個数: 40

約数和(自身を含む): 184142976

約数和(自身を除く): 105100816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 991, 997, 1982, 1994, 3964, 3988, 4955, 4985, 7928, 7976, 9910, 9970, 15856, 15952, 19820, 19940, 39640, 39880, 79280, 79760, 988027, 1976054, 3952108, 4940135, 7904216, 9880270, 15808432, 19760540, 39521080, 79042160]

約数ペア:

[(1, 79042160), (2, 39521080), (4, 19760540), (5, 15808432), (8, 9880270), (10, 7904216), (16, 4940135), (20, 3952108), (40, 1976054), (80, 988027), (991, 79760), (997, 79280), (1982, 39880), (1994, 39640), (3964, 19940), (3988, 19820), (4955, 15952), (4985, 15856), (7928, 9970), (7976, 9910)]