8205453440

素因数分解:

$2^7\times 5^1\times {\mathrm{12821021}}^1$

素因数の和:12821040

約数の個数: 32

約数和(自身を含む): 19616163660

約数和(自身を除く): 11410710220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12821021, 25642042, 51284084, 64105105, 102568168, 128210210, 205136336, 256420420, 410272672, 512840840, 820545344, 1025681680, 1641090688, 2051363360, 4102726720, 8205453440]

約数ペア:

[(1, 8205453440), (2, 4102726720), (4, 2051363360), (5, 1641090688), (8, 1025681680), (10, 820545344), (16, 512840840), (20, 410272672), (32, 256420420), (40, 205136336), (64, 128210210), (80, 102568168), (128, 64105105), (160, 51284084), (320, 25642042), (640, 12821021)]