30451280

素因数分解:

$2^4\times 5^1\times {\mathrm{380641}}^1$

素因数の和:380654

約数の個数: 20

約数和(自身を含む): 70799412

約数和(自身を除く): 40348132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 380641, 761282, 1522564, 1903205, 3045128, 3806410, 6090256, 7612820, 15225640, 30451280]

約数ペア:

[(1, 30451280), (2, 15225640), (4, 7612820), (5, 6090256), (8, 3806410), (10, 3045128), (16, 1903205), (20, 1522564), (40, 761282), (80, 380641)]