161562160

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{33107}}^1$

素因数の和:33181

約数の個数: 40

約数和(自身を含む): 381801456

約数和(自身を除く): 220239296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 33107, 66214, 132428, 165535, 264856, 331070, 529712, 662140, 1324280, 2019527, 2648560, 4039054, 8078108, 10097635, 16156216, 20195270, 32312432, 40390540, 80781080, 161562160]

約数ペア:

[(1, 161562160), (2, 80781080), (4, 40390540), (5, 32312432), (8, 20195270), (10, 16156216), (16, 10097635), (20, 8078108), (40, 4039054), (61, 2648560), (80, 2019527), (122, 1324280), (244, 662140), (305, 529712), (488, 331070), (610, 264856), (976, 165535), (1220, 132428), (2440, 66214), (4880, 33107)]