169218160

素因数分解:

$2^4\times 5^1\times {\mathrm{2115227}}^1$

素因数の和:2115240

約数の個数: 20

約数和(自身を含む): 393432408

約数和(自身を除く): 224214248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2115227, 4230454, 8460908, 10576135, 16921816, 21152270, 33843632, 42304540, 84609080, 169218160]

約数ペア:

[(1, 169218160), (2, 84609080), (4, 42304540), (5, 33843632), (8, 21152270), (10, 16921816), (16, 10576135), (20, 8460908), (40, 4230454), (80, 2115227)]