205616530180

素因数分解:

$2^2\times 5^1\times {\mathrm{20173}}^1\times {\mathrm{509633}}^1$

素因数の和:529815

約数の個数: 24

約数和(自身を含む): 431816965272

約数和(自身を除く): 226200435092

約数列:

[1, 2, 4, 5, 10, 20, 20173, 40346, 80692, 100865, 201730, 403460, 509633, 1019266, 2038532, 2548165, 5096330, 10192660, 10280826509, 20561653018, 41123306036, 51404132545, 102808265090, 205616530180]

約数ペア:

[(1, 205616530180), (2, 102808265090), (4, 51404132545), (5, 41123306036), (10, 20561653018), (20, 10280826509), (20173, 10192660), (40346, 5096330), (80692, 2548165), (100865, 2038532), (201730, 1019266), (403460, 509633)]