16065880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5657}}^1$

素因数の和:5739

約数の個数: 32

約数和(自身を含む): 36663840

約数和(自身を除く): 20597960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 5657, 11314, 22628, 28285, 45256, 56570, 113140, 226280, 401647, 803294, 1606588, 2008235, 3213176, 4016470, 8032940, 16065880]

約数ペア:

[(1, 16065880), (2, 8032940), (4, 4016470), (5, 3213176), (8, 2008235), (10, 1606588), (20, 803294), (40, 401647), (71, 226280), (142, 113140), (284, 56570), (355, 45256), (568, 28285), (710, 22628), (1420, 11314), (2840, 5657)]