28364180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{859}}^1$

素因数の和:1008

約数の個数: 48

約数和(自身を含む): 64727040

約数和(自身を除く): 36362860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 859, 1270, 1651, 1718, 2540, 3302, 3436, 4295, 6604, 8255, 8590, 11167, 16510, 17180, 22334, 33020, 44668, 55835, 109093, 111670, 218186, 223340, 436372, 545465, 1090930, 1418209, 2181860, 2836418, 5672836, 7091045, 14182090, 28364180]

約数ペア:

[(1, 28364180), (2, 14182090), (4, 7091045), (5, 5672836), (10, 2836418), (13, 2181860), (20, 1418209), (26, 1090930), (52, 545465), (65, 436372), (127, 223340), (130, 218186), (254, 111670), (260, 109093), (508, 55835), (635, 44668), (859, 33020), (1270, 22334), (1651, 17180), (1718, 16510), (2540, 11167), (3302, 8590), (3436, 8255), (4295, 6604)]