80780296

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{1061}}^1$

素因数の和:1405

約数の個数: 32

約数和(自身を含む): 157006080

約数和(自身を除く): 76225784

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 307, 614, 1061, 1228, 2122, 2456, 4244, 8488, 9517, 19034, 32891, 38068, 65782, 76136, 131564, 263128, 325727, 651454, 1302908, 2605816, 10097537, 20195074, 40390148, 80780296]

約数ペア:

[(1, 80780296), (2, 40390148), (4, 20195074), (8, 10097537), (31, 2605816), (62, 1302908), (124, 651454), (248, 325727), (307, 263128), (614, 131564), (1061, 76136), (1228, 65782), (2122, 38068), (2456, 32891), (4244, 19034), (8488, 9517)]