20161144100

素因数分解:

$2^2\times 5^2\times {\mathrm{631}}^1\times {\mathrm{319511}}^1$

素因数の和:320156

約数の個数: 36

約数和(自身を含む): 43819153728

約数和(自身を除く): 23658009628

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 631, 1262, 2524, 3155, 6310, 12620, 15775, 31550, 63100, 319511, 639022, 1278044, 1597555, 3195110, 6390220, 7987775, 15975550, 31951100, 201611441, 403222882, 806445764, 1008057205, 2016114410, 4032228820, 5040286025, 10080572050, 20161144100]

約数ペア:

[(1, 20161144100), (2, 10080572050), (4, 5040286025), (5, 4032228820), (10, 2016114410), (20, 1008057205), (25, 806445764), (50, 403222882), (100, 201611441), (631, 31951100), (1262, 15975550), (2524, 7987775), (3155, 6390220), (6310, 3195110), (12620, 1597555), (15775, 1278044), (31550, 639022), (63100, 319511)]