78002960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139291}}^1$

素因数の和:139311

約数の個数: 40

約数和(自身を含む): 207266496

約数和(自身を除く): 129263536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 139291, 278582, 557164, 696455, 975037, 1114328, 1392910, 1950074, 2228656, 2785820, 3900148, 4875185, 5571640, 7800296, 9750370, 11143280, 15600592, 19500740, 39001480, 78002960]

約数ペア:

[(1, 78002960), (2, 39001480), (4, 19500740), (5, 15600592), (7, 11143280), (8, 9750370), (10, 7800296), (14, 5571640), (16, 4875185), (20, 3900148), (28, 2785820), (35, 2228656), (40, 1950074), (56, 1392910), (70, 1114328), (80, 975037), (112, 696455), (140, 557164), (280, 278582), (560, 139291)]