97901620

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{44909}}^1$

素因数の和:45027

約数の個数: 24

約数和(自身を含む): 207484200

約数和(自身を除く): 109582580

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 44909, 89818, 179636, 224545, 449090, 898180, 4895081, 9790162, 19580324, 24475405, 48950810, 97901620]

約数ペア:

[(1, 97901620), (2, 48950810), (4, 24475405), (5, 19580324), (10, 9790162), (20, 4895081), (109, 898180), (218, 449090), (436, 224545), (545, 179636), (1090, 89818), (2180, 44909)]