2445125

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:677

約数の個数: 16

約数和(自身を含む): 3154944

約数和(自身を除く): 709819

約数列:

[1, 5, 25, 31, 125, 155, 631, 775, 3155, 3875, 15775, 19561, 78875, 97805, 489025, 2445125]

約数ペア:

[(1, 2445125), (5, 489025), (25, 97805), (31, 78875), (125, 19561), (155, 15775), (631, 3875), (775, 3155)]