161719780

素因数分解:

$2^2\times 5^1\times {\mathrm{1153}}^1\times {\mathrm{7013}}^1$

素因数の和:8175

約数の個数: 24

約数和(自身を含む): 339954552

約数和(自身を除く): 178234772

約数列:

[1, 2, 4, 5, 10, 20, 1153, 2306, 4612, 5765, 7013, 11530, 14026, 23060, 28052, 35065, 70130, 140260, 8085989, 16171978, 32343956, 40429945, 80859890, 161719780]

約数ペア:

[(1, 161719780), (2, 80859890), (4, 40429945), (5, 32343956), (10, 16171978), (20, 8085989), (1153, 140260), (2306, 70130), (4612, 35065), (5765, 28052), (7013, 23060), (11530, 14026)]