79147280

素因数分解:

$2^4\times 5^1\times {\mathrm{989341}}^1$

素因数の和:989354

約数の個数: 20

約数和(自身を含む): 184017612

約数和(自身を除く): 104870332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 989341, 1978682, 3957364, 4946705, 7914728, 9893410, 15829456, 19786820, 39573640, 79147280]

約数ペア:

[(1, 79147280), (2, 39573640), (4, 19786820), (5, 15829456), (8, 9893410), (10, 7914728), (16, 4946705), (20, 3957364), (40, 1978682), (80, 989341)]