2867778820

素因数分解:

$2^2\times 5^1\times {\mathrm{143388941}}^1$

素因数の和:143388950

約数の個数: 12

約数和(自身を含む): 6022335564

約数和(自身を除く): 3154556744

約数列:

[1, 2, 4, 5, 10, 20, 143388941, 286777882, 573555764, 716944705, 1433889410, 2867778820]

約数ペア:

[(1, 2867778820), (2, 1433889410), (4, 716944705), (5, 573555764), (10, 286777882), (20, 143388941)]