320022512

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{461}}^1\times {\mathrm{1009}}^1$

素因数の和:1521

約数の個数: 40

約数和(自身を含む): 636469680

約数和(自身を除く): 316447168

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 461, 688, 922, 1009, 1844, 2018, 3688, 4036, 7376, 8072, 16144, 19823, 39646, 43387, 79292, 86774, 158584, 173548, 317168, 347096, 465149, 694192, 930298, 1860596, 3721192, 7442384, 20001407, 40002814, 80005628, 160011256, 320022512]

約数ペア:

[(1, 320022512), (2, 160011256), (4, 80005628), (8, 40002814), (16, 20001407), (43, 7442384), (86, 3721192), (172, 1860596), (344, 930298), (461, 694192), (688, 465149), (922, 347096), (1009, 317168), (1844, 173548), (2018, 158584), (3688, 86774), (4036, 79292), (7376, 43387), (8072, 39646), (16144, 19823)]