79471340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{907}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 180459552

約数和(自身を除く): 100988212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 337, 674, 907, 1348, 1685, 1814, 3370, 3628, 4381, 4535, 6740, 8762, 9070, 11791, 17524, 18140, 21905, 23582, 43810, 47164, 58955, 87620, 117910, 235820, 305659, 611318, 1222636, 1528295, 3056590, 3973567, 6113180, 7947134, 15894268, 19867835, 39735670, 79471340]

約数ペア:

[(1, 79471340), (2, 39735670), (4, 19867835), (5, 15894268), (10, 7947134), (13, 6113180), (20, 3973567), (26, 3056590), (52, 1528295), (65, 1222636), (130, 611318), (260, 305659), (337, 235820), (674, 117910), (907, 87620), (1348, 58955), (1685, 47164), (1814, 43810), (3370, 23582), (3628, 21905), (4381, 18140), (4535, 17524), (6740, 11791), (8762, 9070)]