8190040

素因数分解:

$2^3\times 5^1\times {\mathrm{204751}}^1$

素因数の和:204762

約数の個数: 16

約数和(自身を含む): 18427680

約数和(自身を除く): 10237640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 204751, 409502, 819004, 1023755, 1638008, 2047510, 4095020, 8190040]

約数ペア:

[(1, 8190040), (2, 4095020), (4, 2047510), (5, 1638008), (8, 1023755), (10, 819004), (20, 409502), (40, 204751)]