7090520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1721}}^1$

素因数の和:1835

約数の個数: 32

約数和(自身を含む): 16117920

約数和(自身を除く): 9027400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 1721, 2060, 3442, 4120, 6884, 8605, 13768, 17210, 34420, 68840, 177263, 354526, 709052, 886315, 1418104, 1772630, 3545260, 7090520]

約数ペア:

[(1, 7090520), (2, 3545260), (4, 1772630), (5, 1418104), (8, 886315), (10, 709052), (20, 354526), (40, 177263), (103, 68840), (206, 34420), (412, 17210), (515, 13768), (824, 8605), (1030, 6884), (1721, 4120), (2060, 3442)]