29121625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17921}}^1$

素因数の和:17949

約数の個数: 16

約数和(自身を含む): 39141648

約数和(自身を除く): 10020023

約数列:

[1, 5, 13, 25, 65, 125, 325, 1625, 17921, 89605, 232973, 448025, 1164865, 2240125, 5824325, 29121625]

約数ペア:

[(1, 29121625), (5, 5824325), (13, 2240125), (25, 1164865), (65, 448025), (125, 232973), (325, 89605), (1625, 17921)]