7983440

素因数分解:

$2^4\times 5^1\times {\mathrm{99793}}^1$

素因数の和:99806

約数の個数: 20

約数和(自身を含む): 18561684

約数和(自身を除く): 10578244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 99793, 199586, 399172, 498965, 798344, 997930, 1596688, 1995860, 3991720, 7983440]

約数ペア:

[(1, 7983440), (2, 3991720), (4, 1995860), (5, 1596688), (8, 997930), (10, 798344), (16, 498965), (20, 399172), (40, 199586), (80, 99793)]