28087040

素因数分解:

$2^8\times 5^1\times {\mathrm{21943}}^1$

素因数の和:21964

約数の個数: 36

約数和(自身を含む): 67280304

約数和(自身を除く): 39193264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 21943, 43886, 87772, 109715, 175544, 219430, 351088, 438860, 702176, 877720, 1404352, 1755440, 2808704, 3510880, 5617408, 7021760, 14043520, 28087040]

約数ペア:

[(1, 28087040), (2, 14043520), (4, 7021760), (5, 5617408), (8, 3510880), (10, 2808704), (16, 1755440), (20, 1404352), (32, 877720), (40, 702176), (64, 438860), (80, 351088), (128, 219430), (160, 175544), (256, 109715), (320, 87772), (640, 43886), (1280, 21943)]