25830340

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{12539}}^1$

素因数の和:12651

約数の個数: 24

約数和(自身を含む): 54774720

約数和(自身を除く): 28944380

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 12539, 25078, 50156, 62695, 125390, 250780, 1291517, 2583034, 5166068, 6457585, 12915170, 25830340]

約数ペア:

[(1, 25830340), (2, 12915170), (4, 6457585), (5, 5166068), (10, 2583034), (20, 1291517), (103, 250780), (206, 125390), (412, 62695), (515, 50156), (1030, 25078), (2060, 12539)]