40384360

素因数分解:

$2^3\times 5^1\times {\mathrm{1009609}}^1$

素因数の和:1009620

約数の個数: 16

約数和(自身を含む): 90864900

約数和(自身を除く): 50480540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009609, 2019218, 4038436, 5048045, 8076872, 10096090, 20192180, 40384360]

約数ペア:

[(1, 40384360), (2, 20192180), (4, 10096090), (5, 8076872), (8, 5048045), (10, 4038436), (20, 2019218), (40, 1009609)]