51260820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65719}}^1$

素因数の和:65744

約数の個数: 48

約数和(自身を含む): 154573440

約数和(自身を除く): 103312620

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, 65719, 131438, 197157, 262876, 328595, 394314, 657190, 788628, 854347, 985785, 1314380, 1708694, 1971570, 2563041, 3417388, 3943140, 4271735, 5126082, 8543470, 10252164, 12815205, 17086940, 25630410, 51260820]

約数ペア:

[(1, 51260820), (2, 25630410), (3, 17086940), (4, 12815205), (5, 10252164), (6, 8543470), (10, 5126082), (12, 4271735), (13, 3943140), (15, 3417388), (20, 2563041), (26, 1971570), (30, 1708694), (39, 1314380), (52, 985785), (60, 854347), (65, 788628), (78, 657190), (130, 394314), (156, 328595), (195, 262876), (260, 197157), (390, 131438), (780, 65719)]