42768520

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{8419}}^1$

素因数の和:8557

約数の個数: 32

約数和(自身を含む): 96998400

約数和(自身を除く): 54229880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 8419, 16838, 33676, 42095, 67352, 84190, 168380, 336760, 1069213, 2138426, 4276852, 5346065, 8553704, 10692130, 21384260, 42768520]

約数ペア:

[(1, 42768520), (2, 21384260), (4, 10692130), (5, 8553704), (8, 5346065), (10, 4276852), (20, 2138426), (40, 1069213), (127, 336760), (254, 168380), (508, 84190), (635, 67352), (1016, 42095), (1270, 33676), (2540, 16838), (5080, 8419)]