28225860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36187}}^1$

素因数の和:36212

約数の個数: 48

約数和(自身を含む): 85114176

約数和(自身を除く): 56888316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 36187, 72374, 108561, 144748, 180935, 217122, 361870, 434244, 470431, 542805, 723740, 940862, 1085610, 1411293, 1881724, 2171220, 2352155, 2822586, 4704310, 5645172, 7056465, 9408620, 14112930, 28225860]

約数ペア:

[(1, 28225860), (2, 14112930), (3, 9408620), (4, 7056465), (5, 5645172), (6, 4704310), (10, 2822586), (12, 2352155), (13, 2171220), (15, 1881724), (20, 1411293), (26, 1085610), (30, 940862), (39, 723740), (52, 542805), (60, 470431), (65, 434244), (78, 361870), (130, 217122), (156, 180935), (195, 144748), (260, 108561), (390, 72374), (780, 36187)]