8171120

素因数分解:

$2^4\times 5^1\times {\mathrm{102139}}^1$

素因数の和:102152

約数の個数: 20

約数和(自身を含む): 18998040

約数和(自身を除く): 10826920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 102139, 204278, 408556, 510695, 817112, 1021390, 1634224, 2042780, 4085560, 8171120]

約数ペア:

[(1, 8171120), (2, 4085560), (4, 2042780), (5, 1634224), (8, 1021390), (10, 817112), (16, 510695), (20, 408556), (40, 204278), (80, 102139)]