1304320

素因数分解:

$2^8\times 5^1\times {\mathrm{1019}}^1$

素因数の和:1040

約数の個数: 36

約数和(自身を含む): 3127320

約数和(自身を除く): 1823000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1019, 1280, 2038, 4076, 5095, 8152, 10190, 16304, 20380, 32608, 40760, 65216, 81520, 130432, 163040, 260864, 326080, 652160, 1304320]

約数ペア:

[(1, 1304320), (2, 652160), (4, 326080), (5, 260864), (8, 163040), (10, 130432), (16, 81520), (20, 65216), (32, 40760), (40, 32608), (64, 20380), (80, 16304), (128, 10190), (160, 8152), (256, 5095), (320, 4076), (640, 2038), (1019, 1280)]