520015180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1368461}}^1$

素因数の和:1368489

約数の個数: 24

約数和(自身を含む): 1149508080

約数和(自身を除く): 629492900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1368461, 2736922, 5473844, 6842305, 13684610, 26000759, 27369220, 52001518, 104003036, 130003795, 260007590, 520015180]

約数ペア:

[(1, 520015180), (2, 260007590), (4, 130003795), (5, 104003036), (10, 52001518), (19, 27369220), (20, 26000759), (38, 13684610), (76, 6842305), (95, 5473844), (190, 2736922), (380, 1368461)]