140910040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{66467}}^1$

素因数の和:66531

約数の個数: 32

約数和(自身を含む): 323034480

約数和(自身を除く): 182124440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 66467, 132934, 265868, 332335, 531736, 664670, 1329340, 2658680, 3522751, 7045502, 14091004, 17613755, 28182008, 35227510, 70455020, 140910040]

約数ペア:

[(1, 140910040), (2, 70455020), (4, 35227510), (5, 28182008), (8, 17613755), (10, 14091004), (20, 7045502), (40, 3522751), (53, 2658680), (106, 1329340), (212, 664670), (265, 531736), (424, 332335), (530, 265868), (1060, 132934), (2120, 66467)]