25211605

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{631}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 31033728

約数和(自身を除く): 5822123

約数列:

[1, 5, 61, 131, 305, 631, 655, 3155, 7991, 38491, 39955, 82661, 192455, 413305, 5042321, 25211605]

約数ペア:

[(1, 25211605), (5, 5042321), (61, 413305), (131, 192455), (305, 82661), (631, 39955), (655, 38491), (3155, 7991)]