5408125

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:546

約数の個数: 20

約数和(自身を含む): 7169580

約数和(自身を除く): 1761455

約数列:

[1, 5, 17, 25, 85, 125, 425, 509, 625, 2125, 2545, 8653, 10625, 12725, 43265, 63625, 216325, 318125, 1081625, 5408125]

約数ペア:

[(1, 5408125), (5, 1081625), (17, 318125), (25, 216325), (85, 63625), (125, 43265), (425, 12725), (509, 10625), (625, 8653), (2125, 2545)]