2012162800

素因数分解:

$2^4\times 5^2\times {\mathrm{1889}}^1\times {\mathrm{2663}}^1$

素因数の和:4570

約数の個数: 60

約数和(自身を含む): 4838596560

約数和(自身を除く): 2826433760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1889, 2663, 3778, 5326, 7556, 9445, 10652, 13315, 15112, 18890, 21304, 26630, 30224, 37780, 42608, 47225, 53260, 66575, 75560, 94450, 106520, 133150, 151120, 188900, 213040, 266300, 377800, 532600, 755600, 1065200, 5030407, 10060814, 20121628, 25152035, 40243256, 50304070, 80486512, 100608140, 125760175, 201216280, 251520350, 402432560, 503040700, 1006081400, 2012162800]

約数ペア:

[(1, 2012162800), (2, 1006081400), (4, 503040700), (5, 402432560), (8, 251520350), (10, 201216280), (16, 125760175), (20, 100608140), (25, 80486512), (40, 50304070), (50, 40243256), (80, 25152035), (100, 20121628), (200, 10060814), (400, 5030407), (1889, 1065200), (2663, 755600), (3778, 532600), (5326, 377800), (7556, 266300), (9445, 213040), (10652, 188900), (13315, 151120), (15112, 133150), (18890, 106520), (21304, 94450), (26630, 75560), (30224, 66575), (37780, 53260), (42608, 47225)]