64412240

素因数分解:

$2^4\times 5^1\times {\mathrm{805153}}^1$

素因数の和:805166

約数の個数: 20

約数和(自身を含む): 149758644

約数和(自身を除く): 85346404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 805153, 1610306, 3220612, 4025765, 6441224, 8051530, 12882448, 16103060, 32206120, 64412240]

約数ペア:

[(1, 64412240), (2, 32206120), (4, 16103060), (5, 12882448), (8, 8051530), (10, 6441224), (16, 4025765), (20, 3220612), (40, 1610306), (80, 805153)]