40405780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{106331}}^1$

素因数の和:106359

約数の個数: 24

約数和(自身を含む): 89318880

約数和(自身を除く): 48913100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 106331, 212662, 425324, 531655, 1063310, 2020289, 2126620, 4040578, 8081156, 10101445, 20202890, 40405780]

約数ペア:

[(1, 40405780), (2, 20202890), (4, 10101445), (5, 8081156), (10, 4040578), (19, 2126620), (20, 2020289), (38, 1063310), (76, 531655), (95, 425324), (190, 212662), (380, 106331)]