797485840

素因数分解:

$2^4\times 5^1\times {\mathrm{9968573}}^1$

素因数の和:9968586

約数の個数: 20

約数和(自身を含む): 1854154764

約数和(自身を除く): 1056668924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9968573, 19937146, 39874292, 49842865, 79748584, 99685730, 159497168, 199371460, 398742920, 797485840]

約数ペア:

[(1, 797485840), (2, 398742920), (4, 199371460), (5, 159497168), (8, 99685730), (10, 79748584), (16, 49842865), (20, 39874292), (40, 19937146), (80, 9968573)]