156921700

素因数分解:

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

素因数の和:120736

約数の個数: 36

約数和(自身を含む): 366716980

約数和(自身を除く): 209795280

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 120709, 241418, 482836, 603545, 1207090, 1569217, 2414180, 3017725, 3138434, 6035450, 6276868, 7846085, 12070900, 15692170, 31384340, 39230425, 78460850, 156921700]

約数ペア:

[(1, 156921700), (2, 78460850), (4, 39230425), (5, 31384340), (10, 15692170), (13, 12070900), (20, 7846085), (25, 6276868), (26, 6035450), (50, 3138434), (52, 3017725), (65, 2414180), (100, 1569217), (130, 1207090), (260, 603545), (325, 482836), (650, 241418), (1300, 120709)]