8400320

素因数分解:

$2^6\times 5^1\times {\mathrm{26251}}^1$

素因数の和:26268

約数の個数: 28

約数和(自身を含む): 20004024

約数和(自身を除く): 11603704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 26251, 52502, 105004, 131255, 210008, 262510, 420016, 525020, 840032, 1050040, 1680064, 2100080, 4200160, 8400320]

約数ペア:

[(1, 8400320), (2, 4200160), (4, 2100080), (5, 1680064), (8, 1050040), (10, 840032), (16, 525020), (20, 420016), (32, 262510), (40, 210008), (64, 131255), (80, 105004), (160, 52502), (320, 26251)]