66250480

素因数分解:

$2^4\times 5^1\times {\mathrm{828131}}^1$

素因数の和:828144

約数の個数: 20

約数和(自身を含む): 154032552

約数和(自身を除く): 87782072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 828131, 1656262, 3312524, 4140655, 6625048, 8281310, 13250096, 16562620, 33125240, 66250480]

約数ペア:

[(1, 66250480), (2, 33125240), (4, 16562620), (5, 13250096), (8, 8281310), (10, 6625048), (16, 4140655), (20, 3312524), (40, 1656262), (80, 828131)]