2080688540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{20443}}^1$

素因数の和:21186

約数の個数: 48

約数和(自身を含む): 5000765952

約数和(自身を除く): 2920077412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 727, 1454, 2908, 3635, 5089, 7270, 10178, 14540, 20356, 20443, 25445, 40886, 50890, 81772, 101780, 102215, 143101, 204430, 286202, 408860, 572404, 715505, 1431010, 2862020, 14862061, 29724122, 59448244, 74310305, 104034427, 148620610, 208068854, 297241220, 416137708, 520172135, 1040344270, 2080688540]

約数ペア:

[(1, 2080688540), (2, 1040344270), (4, 520172135), (5, 416137708), (7, 297241220), (10, 208068854), (14, 148620610), (20, 104034427), (28, 74310305), (35, 59448244), (70, 29724122), (140, 14862061), (727, 2862020), (1454, 1431010), (2908, 715505), (3635, 572404), (5089, 408860), (7270, 286202), (10178, 204430), (14540, 143101), (20356, 102215), (20443, 101780), (25445, 81772), (40886, 50890)]