31280180

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{11939}}^1$

素因数の和:12079

約数の個数: 24

約数和(自身を含む): 66195360

約数和(自身を除く): 34915180

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 11939, 23878, 47756, 59695, 119390, 238780, 1564009, 3128018, 6256036, 7820045, 15640090, 31280180]

約数ペア:

[(1, 31280180), (2, 15640090), (4, 7820045), (5, 6256036), (10, 3128018), (20, 1564009), (131, 238780), (262, 119390), (524, 59695), (655, 47756), (1310, 23878), (2620, 11939)]