3874480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2549}}^1$

素因数の和:2581

約数の個数: 40

約数和(自身を含む): 9486000

約数和(自身を除く): 5611520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 2549, 5098, 10196, 12745, 20392, 25490, 40784, 48431, 50980, 96862, 101960, 193724, 203920, 242155, 387448, 484310, 774896, 968620, 1937240, 3874480]

約数ペア:

[(1, 3874480), (2, 1937240), (4, 968620), (5, 774896), (8, 484310), (10, 387448), (16, 242155), (19, 203920), (20, 193724), (38, 101960), (40, 96862), (76, 50980), (80, 48431), (95, 40784), (152, 25490), (190, 20392), (304, 12745), (380, 10196), (760, 5098), (1520, 2549)]