39001480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139291}}^1$

素因数の和:139309

約数の個数: 32

約数和(自身を含む): 100290240

約数和(自身を除く): 61288760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 139291, 278582, 557164, 696455, 975037, 1114328, 1392910, 1950074, 2785820, 3900148, 4875185, 5571640, 7800296, 9750370, 19500740, 39001480]

約数ペア:

[(1, 39001480), (2, 19500740), (4, 9750370), (5, 7800296), (7, 5571640), (8, 4875185), (10, 3900148), (14, 2785820), (20, 1950074), (28, 1392910), (35, 1114328), (40, 975037), (56, 696455), (70, 557164), (140, 278582), (280, 139291)]