80372480

素因数分解:

$2^8\times 5^1\times {\mathrm{62791}}^1$

素因数の和:62812

約数の個数: 36

約数和(自身を含む): 192520272

約数和(自身を除く): 112147792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 62791, 125582, 251164, 313955, 502328, 627910, 1004656, 1255820, 2009312, 2511640, 4018624, 5023280, 8037248, 10046560, 16074496, 20093120, 40186240, 80372480]

約数ペア:

[(1, 80372480), (2, 40186240), (4, 20093120), (5, 16074496), (8, 10046560), (10, 8037248), (16, 5023280), (20, 4018624), (32, 2511640), (40, 2009312), (64, 1255820), (80, 1004656), (128, 627910), (160, 502328), (256, 313955), (320, 251164), (640, 125582), (1280, 62791)]