7871260

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3821}}^1$

素因数の和:3933

約数の個数: 24

約数和(自身を含む): 16694496

約数和(自身を除く): 8823236

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 3821, 7642, 15284, 19105, 38210, 76420, 393563, 787126, 1574252, 1967815, 3935630, 7871260]

約数ペア:

[(1, 7871260), (2, 3935630), (4, 1967815), (5, 1574252), (10, 787126), (20, 393563), (103, 76420), (206, 38210), (412, 19105), (515, 15284), (1030, 7642), (2060, 3821)]