173617420

素因数分解:

$2^2\times 5^1\times {\mathrm{8680871}}^1$

素因数の和:8680880

約数の個数: 12

約数和(自身を含む): 364596624

約数和(自身を除く): 190979204

約数列:

[1, 2, 4, 5, 10, 20, 8680871, 17361742, 34723484, 43404355, 86808710, 173617420]

約数ペア:

[(1, 173617420), (2, 86808710), (4, 43404355), (5, 34723484), (10, 17361742), (20, 8680871)]