51907390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2521}}^1$

素因数の和:2628

約数の個数: 32

約数和(自身を含む): 98055360

約数和(自身を除く): 46147970

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 710, 2059, 2521, 4118, 5042, 10295, 12605, 20590, 25210, 73109, 146218, 178991, 357982, 365545, 731090, 894955, 1789910, 5190739, 10381478, 25953695, 51907390]

約数ペア:

[(1, 51907390), (2, 25953695), (5, 10381478), (10, 5190739), (29, 1789910), (58, 894955), (71, 731090), (142, 365545), (145, 357982), (290, 178991), (355, 146218), (710, 73109), (2059, 25210), (2521, 20590), (4118, 12605), (5042, 10295)]