128432875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3181}}^1$

素因数の和:3232

約数の個数: 32

約数和(自身を含む): 178701120

約数和(自身を除く): 50268245

約数列:

[1, 5, 17, 19, 25, 85, 95, 125, 323, 425, 475, 1615, 2125, 2375, 3181, 8075, 15905, 40375, 54077, 60439, 79525, 270385, 302195, 397625, 1027463, 1351925, 1510975, 5137315, 6759625, 7554875, 25686575, 128432875]

約数ペア:

[(1, 128432875), (5, 25686575), (17, 7554875), (19, 6759625), (25, 5137315), (85, 1510975), (95, 1351925), (125, 1027463), (323, 397625), (425, 302195), (475, 270385), (1615, 79525), (2125, 60439), (2375, 54077), (3181, 40375), (8075, 15905)]