85942840

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{15683}}^1$

素因数の和:15831

約数の個数: 32

約数和(自身を含む): 194795280

約数和(自身を除く): 108852440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 15683, 31366, 62732, 78415, 125464, 156830, 313660, 627320, 2148571, 4297142, 8594284, 10742855, 17188568, 21485710, 42971420, 85942840]

約数ペア:

[(1, 85942840), (2, 42971420), (4, 21485710), (5, 17188568), (8, 10742855), (10, 8594284), (20, 4297142), (40, 2148571), (137, 627320), (274, 313660), (548, 156830), (685, 125464), (1096, 78415), (1370, 62732), (2740, 31366), (5480, 15683)]