65296240

素因数分解:

$2^4\times 5^1\times {\mathrm{816203}}^1$

素因数の和:816216

約数の個数: 20

約数和(自身を含む): 151813944

約数和(自身を除く): 86517704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 816203, 1632406, 3264812, 4081015, 6529624, 8162030, 13059248, 16324060, 32648120, 65296240]

約数ペア:

[(1, 65296240), (2, 32648120), (4, 16324060), (5, 13059248), (8, 8162030), (10, 6529624), (16, 4081015), (20, 3264812), (40, 1632406), (80, 816203)]