8480840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11159}}^1$

素因数の和:11189

約数の個数: 32

約数和(自身を含む): 20088000

約数和(自身を除く): 11607160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 11159, 22318, 44636, 55795, 89272, 111590, 212021, 223180, 424042, 446360, 848084, 1060105, 1696168, 2120210, 4240420, 8480840]

約数ペア:

[(1, 8480840), (2, 4240420), (4, 2120210), (5, 1696168), (8, 1060105), (10, 848084), (19, 446360), (20, 424042), (38, 223180), (40, 212021), (76, 111590), (95, 89272), (152, 55795), (190, 44636), (380, 22318), (760, 11159)]