201655640

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{36269}}^1$

素因数の和:36419

約数の個数: 32

約数和(自身を含む): 457002000

約数和(自身を除く): 255346360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 36269, 72538, 145076, 181345, 290152, 362690, 725380, 1450760, 5041391, 10082782, 20165564, 25206955, 40331128, 50413910, 100827820, 201655640]

約数ペア:

[(1, 201655640), (2, 100827820), (4, 50413910), (5, 40331128), (8, 25206955), (10, 20165564), (20, 10082782), (40, 5041391), (139, 1450760), (278, 725380), (556, 362690), (695, 290152), (1112, 181345), (1390, 145076), (2780, 72538), (5560, 36269)]