80697260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{5387}}^1$

素因数の和:5510

約数の個数: 48

約数和(自身を含む): 195519744

約数和(自身を除く): 114822484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 5387, 7490, 10774, 14980, 21548, 26935, 37709, 53870, 75418, 107740, 150836, 188545, 377090, 576409, 754180, 1152818, 2305636, 2882045, 4034863, 5764090, 8069726, 11528180, 16139452, 20174315, 40348630, 80697260]

約数ペア:

[(1, 80697260), (2, 40348630), (4, 20174315), (5, 16139452), (7, 11528180), (10, 8069726), (14, 5764090), (20, 4034863), (28, 2882045), (35, 2305636), (70, 1152818), (107, 754180), (140, 576409), (214, 377090), (428, 188545), (535, 150836), (749, 107740), (1070, 75418), (1498, 53870), (2140, 37709), (2996, 26935), (3745, 21548), (5387, 14980), (7490, 10774)]