56721625

素因数分解:

$5^3\times {\mathrm{227}}^1\times {\mathrm{1999}}^1$

素因数の和:2241

約数の個数: 16

約数和(自身を含む): 71136000

約数和(自身を除く): 14414375

約数列:

[1, 5, 25, 125, 227, 1135, 1999, 5675, 9995, 28375, 49975, 249875, 453773, 2268865, 11344325, 56721625]

約数ペア:

[(1, 56721625), (5, 11344325), (25, 2268865), (125, 453773), (227, 249875), (1135, 49975), (1999, 28375), (5675, 9995)]