80296880

素因数分解:

$2^4\times 5^1\times {\mathrm{1003711}}^1$

素因数の和:1003724

約数の個数: 20

約数和(自身を含む): 186690432

約数和(自身を除く): 106393552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1003711, 2007422, 4014844, 5018555, 8029688, 10037110, 16059376, 20074220, 40148440, 80296880]

約数ペア:

[(1, 80296880), (2, 40148440), (4, 20074220), (5, 16059376), (8, 10037110), (10, 8029688), (16, 5018555), (20, 4014844), (40, 2007422), (80, 1003711)]