9987760

素因数分解:

$2^4\times 5^1\times {\mathrm{124847}}^1$

素因数の和:124860

約数の個数: 20

約数和(自身を含む): 23221728

約数和(自身を除く): 13233968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 124847, 249694, 499388, 624235, 998776, 1248470, 1997552, 2496940, 4993880, 9987760]

約数ペア:

[(1, 9987760), (2, 4993880), (4, 2496940), (5, 1997552), (8, 1248470), (10, 998776), (16, 624235), (20, 499388), (40, 249694), (80, 124847)]