155585240

素因数分解:

$2^3\times 5^1\times {\mathrm{3889631}}^1$

素因数の和:3889642

約数の個数: 16

約数和(自身を含む): 350066880

約数和(自身を除く): 194481640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3889631, 7779262, 15558524, 19448155, 31117048, 38896310, 77792620, 155585240]

約数ペア:

[(1, 155585240), (2, 77792620), (4, 38896310), (5, 31117048), (8, 19448155), (10, 15558524), (20, 7779262), (40, 3889631)]