201985880

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{39761}}^1$

素因数の和:39899

約数の個数: 32

約数和(自身を含む): 458058240

約数和(自身を除く): 256072360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 39761, 79522, 159044, 198805, 318088, 397610, 795220, 1590440, 5049647, 10099294, 20198588, 25248235, 40397176, 50496470, 100992940, 201985880]

約数ペア:

[(1, 201985880), (2, 100992940), (4, 50496470), (5, 40397176), (8, 25248235), (10, 20198588), (20, 10099294), (40, 5049647), (127, 1590440), (254, 795220), (508, 397610), (635, 318088), (1016, 198805), (1270, 159044), (2540, 79522), (5080, 39761)]