68508280

素因数分解:

$2^3\times 5^1\times {\mathrm{1712707}}^1$

素因数の和:1712718

約数の個数: 16

約数和(自身を含む): 154143720

約数和(自身を除く): 85635440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1712707, 3425414, 6850828, 8563535, 13701656, 17127070, 34254140, 68508280]

約数ペア:

[(1, 68508280), (2, 34254140), (4, 17127070), (5, 13701656), (8, 8563535), (10, 6850828), (20, 3425414), (40, 1712707)]