20194584800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{3449}}^1$

素因数の和:4045

約数の個数: 144

約数和(自身を含む): 53202063600

約数和(自身を除く): 33007478800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 563, 650, 800, 1040, 1126, 1300, 2080, 2252, 2600, 2815, 3449, 4504, 5200, 5630, 6898, 7319, 9008, 10400, 11260, 13796, 14075, 14638, 17245, 18016, 22520, 27592, 28150, 29276, 34490, 36595, 44837, 45040, 55184, 56300, 58552, 68980, 73190, 86225, 89674, 90080, 110368, 112600, 117104, 137960, 146380, 172450, 179348, 182975, 224185, 225200, 234208, 275920, 292760, 344900, 358696, 365950, 448370, 450400, 551840, 585520, 689800, 717392, 731900, 896740, 1120925, 1171040, 1379600, 1434784, 1463800, 1793480, 1941787, 2241850, 2759200, 2927600, 3586960, 3883574, 4483700, 5855200, 7173920, 7767148, 8967400, 9708935, 15534296, 17934800, 19417870, 25243231, 31068592, 35869600, 38835740, 48544675, 50486462, 62137184, 77671480, 97089350, 100972924, 126216155, 155342960, 194178700, 201945848, 252432310, 310685920, 388357400, 403891696, 504864620, 631080775, 776714800, 807783392, 1009729240, 1262161550, 1553429600, 2019458480, 2524323100, 4038916960, 5048646200, 10097292400, 20194584800]

約数ペア:

[(1, 20194584800), (2, 10097292400), (4, 5048646200), (5, 4038916960), (8, 2524323100), (10, 2019458480), (13, 1553429600), (16, 1262161550), (20, 1009729240), (25, 807783392), (26, 776714800), (32, 631080775), (40, 504864620), (50, 403891696), (52, 388357400), (65, 310685920), (80, 252432310), (100, 201945848), (104, 194178700), (130, 155342960), (160, 126216155), (200, 100972924), (208, 97089350), (260, 77671480), (325, 62137184), (400, 50486462), (416, 48544675), (520, 38835740), (563, 35869600), (650, 31068592), (800, 25243231), (1040, 19417870), (1126, 17934800), (1300, 15534296), (2080, 9708935), (2252, 8967400), (2600, 7767148), (2815, 7173920), (3449, 5855200), (4504, 4483700), (5200, 3883574), (5630, 3586960), (6898, 2927600), (7319, 2759200), (9008, 2241850), (10400, 1941787), (11260, 1793480), (13796, 1463800), (14075, 1434784), (14638, 1379600), (17245, 1171040), (18016, 1120925), (22520, 896740), (27592, 731900), (28150, 717392), (29276, 689800), (34490, 585520), (36595, 551840), (44837, 450400), (45040, 448370), (55184, 365950), (56300, 358696), (58552, 344900), (68980, 292760), (73190, 275920), (86225, 234208), (89674, 225200), (90080, 224185), (110368, 182975), (112600, 179348), (117104, 172450), (137960, 146380)]