25721015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{1171}}^1$

素因数の和:1390

約数の個数: 16

約数和(自身を含む): 32403456

約数和(自身を除く): 6682441

約数列:

[1, 5, 23, 115, 191, 955, 1171, 4393, 5855, 21965, 26933, 134665, 223661, 1118305, 5144203, 25721015]

約数ペア:

[(1, 25721015), (5, 5144203), (23, 1118305), (115, 223661), (191, 134665), (955, 26933), (1171, 21965), (4393, 5855)]