155464640

素因数分解:

$2^6\times 5^1\times {\mathrm{485827}}^1$

素因数の和:485844

約数の個数: 28

約数和(自身を含む): 370200936

約数和(自身を除く): 214736296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 485827, 971654, 1943308, 2429135, 3886616, 4858270, 7773232, 9716540, 15546464, 19433080, 31092928, 38866160, 77732320, 155464640]

約数ペア:

[(1, 155464640), (2, 77732320), (4, 38866160), (5, 31092928), (8, 19433080), (10, 15546464), (16, 9716540), (20, 7773232), (32, 4858270), (40, 3886616), (64, 2429135), (80, 1943308), (160, 971654), (320, 485827)]