2019595880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{5081}}^1$

素因数の和:5634

約数の個数: 64

約数和(自身を含む): 4793342400

約数和(自身を除く): 2773746520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 523, 760, 1046, 2092, 2615, 4184, 5081, 5230, 9937, 10162, 10460, 19874, 20324, 20920, 25405, 39748, 40648, 49685, 50810, 79496, 96539, 99370, 101620, 193078, 198740, 203240, 386156, 397480, 482695, 772312, 965390, 1930780, 2657363, 3861560, 5314726, 10629452, 13286815, 21258904, 26573630, 50489897, 53147260, 100979794, 106294520, 201959588, 252449485, 403919176, 504898970, 1009797940, 2019595880]

約数ペア:

[(1, 2019595880), (2, 1009797940), (4, 504898970), (5, 403919176), (8, 252449485), (10, 201959588), (19, 106294520), (20, 100979794), (38, 53147260), (40, 50489897), (76, 26573630), (95, 21258904), (152, 13286815), (190, 10629452), (380, 5314726), (523, 3861560), (760, 2657363), (1046, 1930780), (2092, 965390), (2615, 772312), (4184, 482695), (5081, 397480), (5230, 386156), (9937, 203240), (10162, 198740), (10460, 193078), (19874, 101620), (20324, 99370), (20920, 96539), (25405, 79496), (39748, 50810), (40648, 49685)]