80569616

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{647}}^1$

素因数の和:879

約数の個数: 40

約数和(自身を含む): 160864704

約数和(自身を除く): 80295088

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 181, 344, 362, 647, 688, 724, 1294, 1448, 2588, 2896, 5176, 7783, 10352, 15566, 27821, 31132, 55642, 62264, 111284, 117107, 124528, 222568, 234214, 445136, 468428, 936856, 1873712, 5035601, 10071202, 20142404, 40284808, 80569616]

約数ペア:

[(1, 80569616), (2, 40284808), (4, 20142404), (8, 10071202), (16, 5035601), (43, 1873712), (86, 936856), (172, 468428), (181, 445136), (344, 234214), (362, 222568), (647, 124528), (688, 117107), (724, 111284), (1294, 62264), (1448, 55642), (2588, 31132), (2896, 27821), (5176, 15566), (7783, 10352)]