80295225

素因数分解:

$3^1\times 5^2\times {\mathrm{421}}^1\times {\mathrm{2543}}^1$

素因数の和:2977

約数の個数: 24

約数和(自身を含む): 133122432

約数和(自身を除く): 52827207

約数列:

[1, 3, 5, 15, 25, 75, 421, 1263, 2105, 2543, 6315, 7629, 10525, 12715, 31575, 38145, 63575, 190725, 1070603, 3211809, 5353015, 16059045, 26765075, 80295225]

約数ペア:

[(1, 80295225), (3, 26765075), (5, 16059045), (15, 5353015), (25, 3211809), (75, 1070603), (421, 190725), (1263, 63575), (2105, 38145), (2543, 31575), (6315, 12715), (7629, 10525)]