7884280

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3719}}^1$

素因数の和:3783

約数の個数: 32

約数和(自身を含む): 18079200

約数和(自身を除く): 10194920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 3719, 7438, 14876, 18595, 29752, 37190, 74380, 148760, 197107, 394214, 788428, 985535, 1576856, 1971070, 3942140, 7884280]

約数ペア:

[(1, 7884280), (2, 3942140), (4, 1971070), (5, 1576856), (8, 985535), (10, 788428), (20, 394214), (40, 197107), (53, 148760), (106, 74380), (212, 37190), (265, 29752), (424, 18595), (530, 14876), (1060, 7438), (2120, 3719)]