3750625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:390

約数の個数: 20

約数和(自身を含む): 4976532

約数和(自身を除く): 1225907

約数列:

[1, 5, 17, 25, 85, 125, 353, 425, 625, 1765, 2125, 6001, 8825, 10625, 30005, 44125, 150025, 220625, 750125, 3750625]

約数ペア:

[(1, 3750625), (5, 750125), (17, 220625), (25, 150025), (85, 44125), (125, 30005), (353, 10625), (425, 8825), (625, 6001), (1765, 2125)]