20160305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15937}}^1$

素因数の和:15976

約数の個数: 16

約数和(自身を含む): 27540864

約数和(自身を除く): 7380559

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 15937, 79685, 175307, 366551, 876535, 1832755, 4032061, 20160305]

約数ペア:

[(1, 20160305), (5, 4032061), (11, 1832755), (23, 876535), (55, 366551), (115, 175307), (253, 79685), (1265, 15937)]