870895160

素因数分解:

$2^3\times 5^1\times {\mathrm{21772379}}^1$

素因数の和:21772390

約数の個数: 16

約数和(自身を含む): 1959514200

約数和(自身を除く): 1088619040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21772379, 43544758, 87089516, 108861895, 174179032, 217723790, 435447580, 870895160]

約数ペア:

[(1, 870895160), (2, 435447580), (4, 217723790), (5, 174179032), (8, 108861895), (10, 87089516), (20, 43544758), (40, 21772379)]