392050040

素因数分解:

$2^3\times 5^1\times {\mathrm{9801251}}^1$

素因数の和:9801262

約数の個数: 16

約数和(自身を含む): 882112680

約数和(自身を除く): 490062640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9801251, 19602502, 39205004, 49006255, 78410008, 98012510, 196025020, 392050040]

約数ペア:

[(1, 392050040), (2, 196025020), (4, 98012510), (5, 78410008), (8, 49006255), (10, 39205004), (20, 19602502), (40, 9801251)]