80801410

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{20353}}^1$

素因数の和:20757

約数の個数: 16

約数和(自身を含む): 145816056

約数和(自身を除く): 65014646

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 20353, 40706, 101765, 203530, 8080141, 16160282, 40400705, 80801410]

約数ペア:

[(1, 80801410), (2, 40400705), (5, 16160282), (10, 8080141), (397, 203530), (794, 101765), (1985, 40706), (3970, 20353)]