51490660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6829}}^1$

素因数の和:6880

約数の個数: 48

約数和(自身を含む): 120481200

約数和(自身を除く): 68990540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 6829, 7540, 13658, 27316, 34145, 68290, 88777, 136580, 177554, 198041, 355108, 396082, 443885, 792164, 887770, 990205, 1775540, 1980410, 2574533, 3960820, 5149066, 10298132, 12872665, 25745330, 51490660]

約数ペア:

[(1, 51490660), (2, 25745330), (4, 12872665), (5, 10298132), (10, 5149066), (13, 3960820), (20, 2574533), (26, 1980410), (29, 1775540), (52, 990205), (58, 887770), (65, 792164), (116, 443885), (130, 396082), (145, 355108), (260, 198041), (290, 177554), (377, 136580), (580, 88777), (754, 68290), (1508, 34145), (1885, 27316), (3770, 13658), (6829, 7540)]