2019762625

素因数分解:

$5^3\times {\mathrm{821}}^1\times {\mathrm{19681}}^1$

素因数の和:20517

約数の個数: 16

約数和(自身を含む): 2523862224

約数和(自身を除く): 504099599

約数列:

[1, 5, 25, 125, 821, 4105, 19681, 20525, 98405, 102625, 492025, 2460125, 16158101, 80790505, 403952525, 2019762625]

約数ペア:

[(1, 2019762625), (5, 403952525), (25, 80790505), (125, 16158101), (821, 2460125), (4105, 492025), (19681, 102625), (20525, 98405)]