51268620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65729}}^1$

素因数の和:65754

約数の個数: 48

約数和(自身を含む): 154596960

約数和(自身を除く): 103328340

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, 65729, 131458, 197187, 262916, 328645, 394374, 657290, 788748, 854477, 985935, 1314580, 1708954, 1971870, 2563431, 3417908, 3943740, 4272385, 5126862, 8544770, 10253724, 12817155, 17089540, 25634310, 51268620]

約数ペア:

[(1, 51268620), (2, 25634310), (3, 17089540), (4, 12817155), (5, 10253724), (6, 8544770), (10, 5126862), (12, 4272385), (13, 3943740), (15, 3417908), (20, 2563431), (26, 1971870), (30, 1708954), (39, 1314580), (52, 985935), (60, 854477), (65, 788748), (78, 657290), (130, 394374), (156, 328645), (195, 262916), (260, 197187), (390, 131458), (780, 65729)]