27520625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{4003}}^1$

素因数の和:4034

約数の個数: 20

約数和(自身を含む): 37525488

約数和(自身を除く): 10004863

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 4003, 6875, 20015, 44033, 100075, 220165, 500375, 1100825, 2501875, 5504125, 27520625]

約数ペア:

[(1, 27520625), (5, 5504125), (11, 2501875), (25, 1100825), (55, 500375), (125, 220165), (275, 100075), (625, 44033), (1375, 20015), (4003, 6875)]