67115420

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{8009}}^1$

素因数の和:8437

約数の個数: 24

約数和(自身を含む): 141296400

約数和(自身を除く): 74180980

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8009, 8380, 16018, 32036, 40045, 80090, 160180, 3355771, 6711542, 13423084, 16778855, 33557710, 67115420]

約数ペア:

[(1, 67115420), (2, 33557710), (4, 16778855), (5, 13423084), (10, 6711542), (20, 3355771), (419, 160180), (838, 80090), (1676, 40045), (2095, 32036), (4190, 16018), (8009, 8380)]