80249080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64717}}^1$

素因数の和:64759

約数の個数: 32

約数和(自身を含む): 186387840

約数和(自身を除く): 106138760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 64717, 129434, 258868, 323585, 517736, 647170, 1294340, 2006227, 2588680, 4012454, 8024908, 10031135, 16049816, 20062270, 40124540, 80249080]

約数ペア:

[(1, 80249080), (2, 40124540), (4, 20062270), (5, 16049816), (8, 10031135), (10, 8024908), (20, 4012454), (31, 2588680), (40, 2006227), (62, 1294340), (124, 647170), (155, 517736), (248, 323585), (310, 258868), (620, 129434), (1240, 64717)]