86564375

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{3221}}^1$

素因数の和:3284

約数の個数: 20

約数和(自身を含む): 110720808

約数和(自身を除く): 24156433

約数列:

[1, 5, 25, 43, 125, 215, 625, 1075, 3221, 5375, 16105, 26875, 80525, 138503, 402625, 692515, 2013125, 3462575, 17312875, 86564375]

約数ペア:

[(1, 86564375), (5, 17312875), (25, 3462575), (43, 2013125), (125, 692515), (215, 402625), (625, 138503), (1075, 80525), (3221, 26875), (5375, 16105)]