171291280

素因数分解:

$2^4\times 5^1\times {\mathrm{2141141}}^1$

素因数の和:2141154

約数の個数: 20

約数和(自身を含む): 398252412

約数和(自身を除く): 226961132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2141141, 4282282, 8564564, 10705705, 17129128, 21411410, 34258256, 42822820, 85645640, 171291280]

約数ペア:

[(1, 171291280), (2, 85645640), (4, 42822820), (5, 34258256), (8, 21411410), (10, 17129128), (16, 10705705), (20, 8564564), (40, 4282282), (80, 2141141)]