260374480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{171299}}^1$

素因数の和:171331

約数の個数: 40

約数和(自身を含む): 637236000

約数和(自身を除く): 376861520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 171299, 342598, 685196, 856495, 1370392, 1712990, 2740784, 3254681, 3425980, 6509362, 6851960, 13018724, 13703920, 16273405, 26037448, 32546810, 52074896, 65093620, 130187240, 260374480]

約数ペア:

[(1, 260374480), (2, 130187240), (4, 65093620), (5, 52074896), (8, 32546810), (10, 26037448), (16, 16273405), (19, 13703920), (20, 13018724), (38, 6851960), (40, 6509362), (76, 3425980), (80, 3254681), (95, 2740784), (152, 1712990), (190, 1370392), (304, 856495), (380, 685196), (760, 342598), (1520, 171299)]