165780425

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{821}}^1$

素因数の和:1069

約数の個数: 24

約数和(自身を含む): 211908312

約数和(自身を除く): 46127887

約数列:

[1, 5, 25, 41, 197, 205, 821, 985, 1025, 4105, 4925, 8077, 20525, 33661, 40385, 161737, 168305, 201925, 808685, 841525, 4043425, 6631217, 33156085, 165780425]

約数ペア:

[(1, 165780425), (5, 33156085), (25, 6631217), (41, 4043425), (197, 841525), (205, 808685), (821, 201925), (985, 168305), (1025, 161737), (4105, 40385), (4925, 33661), (8077, 20525)]