8775640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5351}}^1$

素因数の和:5403

約数の個数: 32

約数和(自身を含む): 20230560

約数和(自身を除く): 11454920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 5351, 10702, 21404, 26755, 42808, 53510, 107020, 214040, 219391, 438782, 877564, 1096955, 1755128, 2193910, 4387820, 8775640]

約数ペア:

[(1, 8775640), (2, 4387820), (4, 2193910), (5, 1755128), (8, 1096955), (10, 877564), (20, 438782), (40, 219391), (41, 214040), (82, 107020), (164, 53510), (205, 42808), (328, 26755), (410, 21404), (820, 10702), (1640, 5351)]