31374260

素因数分解:

$2^2\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{1289}}^1$

素因数の和:2515

約数の個数: 24

約数和(自身を含む): 65991240

約数和(自身を除く): 34616980

約数列:

[1, 2, 4, 5, 10, 20, 1217, 1289, 2434, 2578, 4868, 5156, 6085, 6445, 12170, 12890, 24340, 25780, 1568713, 3137426, 6274852, 7843565, 15687130, 31374260]

約数ペア:

[(1, 31374260), (2, 15687130), (4, 7843565), (5, 6274852), (10, 3137426), (20, 1568713), (1217, 25780), (1289, 24340), (2434, 12890), (2578, 12170), (4868, 6445), (5156, 6085)]