67421720

素因数分解:

$2^3\times 5^1\times {\mathrm{1685543}}^1$

素因数の和:1685554

約数の個数: 16

約数和(自身を含む): 151698960

約数和(自身を除く): 84277240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1685543, 3371086, 6742172, 8427715, 13484344, 16855430, 33710860, 67421720]

約数ペア:

[(1, 67421720), (2, 33710860), (4, 16855430), (5, 13484344), (8, 8427715), (10, 6742172), (20, 3371086), (40, 1685543)]