8254420

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4007}}^1$

素因数の和:4119

約数の個数: 24

約数和(自身を含む): 17506944

約数和(自身を除く): 9252524

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 4007, 8014, 16028, 20035, 40070, 80140, 412721, 825442, 1650884, 2063605, 4127210, 8254420]

約数ペア:

[(1, 8254420), (2, 4127210), (4, 2063605), (5, 1650884), (10, 825442), (20, 412721), (103, 80140), (206, 40070), (412, 20035), (515, 16028), (1030, 8014), (2060, 4007)]