5217280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{1019}}^1$

素因数の和:1044

約数の個数: 44

約数和(自身を含む): 12527640

約数和(自身を除く): 7310360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1019, 1024, 1280, 2038, 2560, 4076, 5095, 5120, 8152, 10190, 16304, 20380, 32608, 40760, 65216, 81520, 130432, 163040, 260864, 326080, 521728, 652160, 1043456, 1304320, 2608640, 5217280]

約数ペア:

[(1, 5217280), (2, 2608640), (4, 1304320), (5, 1043456), (8, 652160), (10, 521728), (16, 326080), (20, 260864), (32, 163040), (40, 130432), (64, 81520), (80, 65216), (128, 40760), (160, 32608), (256, 20380), (320, 16304), (512, 10190), (640, 8152), (1019, 5120), (1024, 5095), (1280, 4076), (2038, 2560)]