31384340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{120709}}^1$

素因数の和:120731

約数の個数: 24

約数和(自身を含む): 70977480

約数和(自身を除く): 39593140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 120709, 241418, 482836, 603545, 1207090, 1569217, 2414180, 3138434, 6276868, 7846085, 15692170, 31384340]

約数ペア:

[(1, 31384340), (2, 15692170), (4, 7846085), (5, 6276868), (10, 3138434), (13, 2414180), (20, 1569217), (26, 1207090), (52, 603545), (65, 482836), (130, 241418), (260, 120709)]