1260880384

素因数分解:

$2^9\times {\mathrm{127}}^1\times {\mathrm{19391}}^1$

素因数の和:19536

約数の個数: 40

約数和(自身を含む): 2539266048

約数和(自身を除く): 1278385664

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 512, 1016, 2032, 4064, 8128, 16256, 19391, 32512, 38782, 65024, 77564, 155128, 310256, 620512, 1241024, 2462657, 2482048, 4925314, 4964096, 9850628, 9928192, 19701256, 39402512, 78805024, 157610048, 315220096, 630440192, 1260880384]

約数ペア:

[(1, 1260880384), (2, 630440192), (4, 315220096), (8, 157610048), (16, 78805024), (32, 39402512), (64, 19701256), (127, 9928192), (128, 9850628), (254, 4964096), (256, 4925314), (508, 2482048), (512, 2462657), (1016, 1241024), (2032, 620512), (4064, 310256), (8128, 155128), (16256, 77564), (19391, 65024), (32512, 38782)]