20194128800

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{8011}}^1$

素因数の和:8191

約数の個数: 144

約数和(自身を含む): 51824308032

約数和(自身を除く): 31630179232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 92, 100, 115, 137, 160, 184, 200, 230, 274, 368, 400, 460, 548, 575, 685, 736, 800, 920, 1096, 1150, 1370, 1840, 2192, 2300, 2740, 3151, 3425, 3680, 4384, 4600, 5480, 6302, 6850, 8011, 9200, 10960, 12604, 13700, 15755, 16022, 18400, 21920, 25208, 27400, 31510, 32044, 40055, 50416, 54800, 63020, 64088, 78775, 80110, 100832, 109600, 126040, 128176, 157550, 160220, 184253, 200275, 252080, 256352, 315100, 320440, 368506, 400550, 504160, 630200, 640880, 737012, 801100, 921265, 1097507, 1260400, 1281760, 1474024, 1602200, 1842530, 2195014, 2520800, 2948048, 3204400, 3685060, 4390028, 4606325, 5487535, 5896096, 6408800, 7370120, 8780056, 9212650, 10975070, 14740240, 17560112, 18425300, 21950140, 25242661, 27437675, 29480480, 35120224, 36850600, 43900280, 50485322, 54875350, 73701200, 87800560, 100970644, 109750700, 126213305, 147402400, 175601120, 201941288, 219501400, 252426610, 403882576, 439002800, 504853220, 631066525, 807765152, 878005600, 1009706440, 1262133050, 2019412880, 2524266100, 4038825760, 5048532200, 10097064400, 20194128800]

約数ペア:

[(1, 20194128800), (2, 10097064400), (4, 5048532200), (5, 4038825760), (8, 2524266100), (10, 2019412880), (16, 1262133050), (20, 1009706440), (23, 878005600), (25, 807765152), (32, 631066525), (40, 504853220), (46, 439002800), (50, 403882576), (80, 252426610), (92, 219501400), (100, 201941288), (115, 175601120), (137, 147402400), (160, 126213305), (184, 109750700), (200, 100970644), (230, 87800560), (274, 73701200), (368, 54875350), (400, 50485322), (460, 43900280), (548, 36850600), (575, 35120224), (685, 29480480), (736, 27437675), (800, 25242661), (920, 21950140), (1096, 18425300), (1150, 17560112), (1370, 14740240), (1840, 10975070), (2192, 9212650), (2300, 8780056), (2740, 7370120), (3151, 6408800), (3425, 5896096), (3680, 5487535), (4384, 4606325), (4600, 4390028), (5480, 3685060), (6302, 3204400), (6850, 2948048), (8011, 2520800), (9200, 2195014), (10960, 1842530), (12604, 1602200), (13700, 1474024), (15755, 1281760), (16022, 1260400), (18400, 1097507), (21920, 921265), (25208, 801100), (27400, 737012), (31510, 640880), (32044, 630200), (40055, 504160), (50416, 400550), (54800, 368506), (63020, 320440), (64088, 315100), (78775, 256352), (80110, 252080), (100832, 200275), (109600, 184253), (126040, 160220), (128176, 157550)]