4147760

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:525

約数の個数: 40

約数和(自身を含む): 9738960

約数和(自身を除く): 5591200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 373, 556, 695, 746, 1112, 1390, 1492, 1865, 2224, 2780, 2984, 3730, 5560, 5968, 7460, 11120, 14920, 29840, 51847, 103694, 207388, 259235, 414776, 518470, 829552, 1036940, 2073880, 4147760]

約数ペア:

[(1, 4147760), (2, 2073880), (4, 1036940), (5, 829552), (8, 518470), (10, 414776), (16, 259235), (20, 207388), (40, 103694), (80, 51847), (139, 29840), (278, 14920), (373, 11120), (556, 7460), (695, 5968), (746, 5560), (1112, 3730), (1390, 2984), (1492, 2780), (1865, 2224)]