8121040

素因数分解:

$2^4\times 5^1\times {\mathrm{101513}}^1$

素因数の和:101526

約数の個数: 20

約数和(自身を含む): 18881604

約数和(自身を除く): 10760564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101513, 203026, 406052, 507565, 812104, 1015130, 1624208, 2030260, 4060520, 8121040]

約数ペア:

[(1, 8121040), (2, 4060520), (4, 2030260), (5, 1624208), (8, 1015130), (10, 812104), (16, 507565), (20, 406052), (40, 203026), (80, 101513)]