2021977520

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{184487}}^1$

素因数の和:184637

約数の個数: 40

約数和(自身を含む): 4735437984

約数和(自身を除く): 2713460464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 10960, 184487, 368974, 737948, 922435, 1475896, 1844870, 2951792, 3689740, 7379480, 14758960, 25274719, 50549438, 101098876, 126373595, 202197752, 252747190, 404395504, 505494380, 1010988760, 2021977520]

約数ペア:

[(1, 2021977520), (2, 1010988760), (4, 505494380), (5, 404395504), (8, 252747190), (10, 202197752), (16, 126373595), (20, 101098876), (40, 50549438), (80, 25274719), (137, 14758960), (274, 7379480), (548, 3689740), (685, 2951792), (1096, 1844870), (1370, 1475896), (2192, 922435), (2740, 737948), (5480, 368974), (10960, 184487)]