209453480

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{41231}}^1$

素因数の和:41369

約数の個数: 32

約数和(自身を含む): 474992640

約数和(自身を除く): 265539160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 41231, 82462, 164924, 206155, 329848, 412310, 824620, 1649240, 5236337, 10472674, 20945348, 26181685, 41890696, 52363370, 104726740, 209453480]

約数ペア:

[(1, 209453480), (2, 104726740), (4, 52363370), (5, 41890696), (8, 26181685), (10, 20945348), (20, 10472674), (40, 5236337), (127, 1649240), (254, 824620), (508, 412310), (635, 329848), (1016, 206155), (1270, 164924), (2540, 82462), (5080, 41231)]