155921240

素因数分解:

$2^3\times 5^1\times {\mathrm{3898031}}^1$

素因数の和:3898042

約数の個数: 16

約数和(自身を含む): 350822880

約数和(自身を除く): 194901640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3898031, 7796062, 15592124, 19490155, 31184248, 38980310, 77960620, 155921240]

約数ペア:

[(1, 155921240), (2, 77960620), (4, 38980310), (5, 31184248), (8, 19490155), (10, 15592124), (20, 7796062), (40, 3898031)]