538152320

素因数分解:

$2^7\times 5^1\times {\mathrm{840863}}^1$

素因数の和:840882

約数の個数: 32

約数和(自身を含む): 1286521920

約数和(自身を除く): 748369600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 840863, 1681726, 3363452, 4204315, 6726904, 8408630, 13453808, 16817260, 26907616, 33634520, 53815232, 67269040, 107630464, 134538080, 269076160, 538152320]

約数ペア:

[(1, 538152320), (2, 269076160), (4, 134538080), (5, 107630464), (8, 67269040), (10, 53815232), (16, 33634520), (20, 26907616), (32, 16817260), (40, 13453808), (64, 8408630), (80, 6726904), (128, 4204315), (160, 3363452), (320, 1681726), (640, 840863)]