853880

素因数分解:

$2^3\times 5^1\times {\mathrm{21347}}^1$

素因数の和:21358

約数の個数: 16

約数和(自身を含む): 1921320

約数和(自身を除く): 1067440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21347, 42694, 85388, 106735, 170776, 213470, 426940, 853880]

約数ペア:

[(1, 853880), (2, 426940), (4, 213470), (5, 170776), (8, 106735), (10, 85388), (20, 42694), (40, 21347)]