155765240

素因数分解:

$2^3\times 5^1\times {\mathrm{3894131}}^1$

素因数の和:3894142

約数の個数: 16

約数和(自身を含む): 350471880

約数和(自身を除く): 194706640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3894131, 7788262, 15576524, 19470655, 31153048, 38941310, 77882620, 155765240]

約数ペア:

[(1, 155765240), (2, 77882620), (4, 38941310), (5, 31153048), (8, 19470655), (10, 15576524), (20, 7788262), (40, 3894131)]