43953291220

素因数分解:

$2^2\times 5^1\times {\mathrm{2197664561}}^1$

素因数の和:2197664570

約数の個数: 12

約数和(自身を含む): 92301911604

約数和(自身を除く): 48348620384

約数列:

[1, 2, 4, 5, 10, 20, 2197664561, 4395329122, 8790658244, 10988322805, 21976645610, 43953291220]

約数ペア:

[(1, 43953291220), (2, 21976645610), (4, 10988322805), (5, 8790658244), (10, 4395329122), (20, 2197664561)]