78561860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7027}}^1$

素因数の和:7092

約数の個数: 48

約数和(自身を含む): 181828416

約数和(自身を除く): 103266556

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 7027, 11180, 14054, 28108, 35135, 70270, 91351, 140540, 182702, 302161, 365404, 456755, 604322, 913510, 1208644, 1510805, 1827020, 3021610, 3928093, 6043220, 7856186, 15712372, 19640465, 39280930, 78561860]

約数ペア:

[(1, 78561860), (2, 39280930), (4, 19640465), (5, 15712372), (10, 7856186), (13, 6043220), (20, 3928093), (26, 3021610), (43, 1827020), (52, 1510805), (65, 1208644), (86, 913510), (130, 604322), (172, 456755), (215, 365404), (260, 302161), (430, 182702), (559, 140540), (860, 91351), (1118, 70270), (2236, 35135), (2795, 28108), (5590, 14054), (7027, 11180)]