42538880

素因数分解:

$2^7\times 5^1\times {\mathrm{66467}}^1$

素因数の和:66486

約数の個数: 32

約数和(自身を含む): 101696040

約数和(自身を除く): 59157160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 66467, 132934, 265868, 332335, 531736, 664670, 1063472, 1329340, 2126944, 2658680, 4253888, 5317360, 8507776, 10634720, 21269440, 42538880]

約数ペア:

[(1, 42538880), (2, 21269440), (4, 10634720), (5, 8507776), (8, 5317360), (10, 4253888), (16, 2658680), (20, 2126944), (32, 1329340), (40, 1063472), (64, 664670), (80, 531736), (128, 332335), (160, 265868), (320, 132934), (640, 66467)]