200620816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:452

約数の個数: 80

約数和(自身を含む): 439971840

約数和(自身を除く): 239351024

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 47, 79, 88, 94, 158, 176, 188, 307, 316, 376, 517, 614, 632, 752, 869, 1034, 1228, 1264, 1738, 2068, 2456, 3377, 3476, 3713, 4136, 4912, 6754, 6952, 7426, 8272, 13508, 13904, 14429, 14852, 24253, 27016, 28858, 29704, 40843, 48506, 54032, 57716, 59408, 81686, 97012, 115432, 158719, 163372, 194024, 230864, 266783, 317438, 326744, 388048, 533566, 634876, 653488, 1067132, 1139891, 1269752, 2134264, 2279782, 2539504, 4268528, 4559564, 9119128, 12538801, 18238256, 25077602, 50155204, 100310408, 200620816]

約数ペア:

[(1, 200620816), (2, 100310408), (4, 50155204), (8, 25077602), (11, 18238256), (16, 12538801), (22, 9119128), (44, 4559564), (47, 4268528), (79, 2539504), (88, 2279782), (94, 2134264), (158, 1269752), (176, 1139891), (188, 1067132), (307, 653488), (316, 634876), (376, 533566), (517, 388048), (614, 326744), (632, 317438), (752, 266783), (869, 230864), (1034, 194024), (1228, 163372), (1264, 158719), (1738, 115432), (2068, 97012), (2456, 81686), (3377, 59408), (3476, 57716), (3713, 54032), (4136, 48506), (4912, 40843), (6754, 29704), (6952, 28858), (7426, 27016), (8272, 24253), (13508, 14852), (13904, 14429)]