85497999.000000000

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{55807}}^1$

素因数の和:55871

約数の個数: 32

約数和(自身を含む): 271226880

約数和(自身を除く): 152916040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 55807, 111614, 223228, 279035, 446456, 558070, 1116140, 2232280, 2957771, 5915542, 11831084, 14788855, 23662168, 29577710, 59155420, 118310840]

約数ペア:

[(1, 118310840), (2, 59155420), (4, 29577710), (5, 23662168), (8, 14788855), (10, 11831084), (20, 5915542), (40, 2957771), (53, 2232280), (106, 1116140), (212, 558070), (265, 446456), (424, 279035), (530, 223228), (1060, 111614), (2120, 55807)]