8661040

素因数分解:

$2^4\times 5^1\times {\mathrm{108263}}^1$

素因数の和:108276

約数の個数: 20

約数和(自身を含む): 20137104

約数和(自身を除く): 11476064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 108263, 216526, 433052, 541315, 866104, 1082630, 1732208, 2165260, 4330520, 8661040]

約数ペア:

[(1, 8661040), (2, 4330520), (4, 2165260), (5, 1732208), (8, 1082630), (10, 866104), (16, 541315), (20, 433052), (40, 216526), (80, 108263)]