13120625

素因数分解:

$5^4\times 7^1\times {\mathrm{2999}}^1$

素因数の和:3026

約数の個数: 20

約数和(自身を含む): 18744000

約数和(自身を除く): 5623375

約数列:

[1, 5, 7, 25, 35, 125, 175, 625, 875, 2999, 4375, 14995, 20993, 74975, 104965, 374875, 524825, 1874375, 2624125, 13120625]

約数ペア:

[(1, 13120625), (5, 2624125), (7, 1874375), (25, 524825), (35, 374875), (125, 104965), (175, 74975), (625, 20993), (875, 14995), (2999, 4375)]