97021520

素因数分解:

$2^4\times 5^1\times {\mathrm{1212769}}^1$

素因数の和:1212782

約数の個数: 20

約数和(自身を含む): 225575220

約数和(自身を除く): 128553700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1212769, 2425538, 4851076, 6063845, 9702152, 12127690, 19404304, 24255380, 48510760, 97021520]

約数ペア:

[(1, 97021520), (2, 48510760), (4, 24255380), (5, 19404304), (8, 12127690), (10, 9702152), (16, 6063845), (20, 4851076), (40, 2425538), (80, 1212769)]