65625920

素因数分解:

$2^6\times 5^1\times {\mathrm{205081}}^1$

素因数の和:205098

約数の個数: 28

約数和(自身を含む): 156272484

約数和(自身を除く): 90646564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 205081, 410162, 820324, 1025405, 1640648, 2050810, 3281296, 4101620, 6562592, 8203240, 13125184, 16406480, 32812960, 65625920]

約数ペア:

[(1, 65625920), (2, 32812960), (4, 16406480), (5, 13125184), (8, 8203240), (10, 6562592), (16, 4101620), (20, 3281296), (32, 2050810), (40, 1640648), (64, 1025405), (80, 820324), (160, 410162), (320, 205081)]