201301720

素因数分解:

$2^3\times 5^1\times {\mathrm{5032543}}^1$

素因数の和:5032554

約数の個数: 16

約数和(自身を含む): 452928960

約数和(自身を除く): 251627240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5032543, 10065086, 20130172, 25162715, 40260344, 50325430, 100650860, 201301720]

約数ペア:

[(1, 201301720), (2, 100650860), (4, 50325430), (5, 40260344), (8, 25162715), (10, 20130172), (20, 10065086), (40, 5032543)]