8408320

素因数分解:

$2^8\times 5^1\times {\mathrm{6569}}^1$

素因数の和:6590

約数の個数: 36

約数和(自身を含む): 20143620

約数和(自身を除く): 11735300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 6569, 13138, 26276, 32845, 52552, 65690, 105104, 131380, 210208, 262760, 420416, 525520, 840832, 1051040, 1681664, 2102080, 4204160, 8408320]

約数ペア:

[(1, 8408320), (2, 4204160), (4, 2102080), (5, 1681664), (8, 1051040), (10, 840832), (16, 525520), (20, 420416), (32, 262760), (40, 210208), (64, 131380), (80, 105104), (128, 65690), (160, 52552), (256, 32845), (320, 26276), (640, 13138), (1280, 6569)]