4119880

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{811}}^1$

素因数の和:949

約数の個数: 32

約数和(自身を含む): 9354240

約数和(自身を除く): 5234360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 811, 1016, 1270, 1622, 2540, 3244, 4055, 5080, 6488, 8110, 16220, 32440, 102997, 205994, 411988, 514985, 823976, 1029970, 2059940, 4119880]

約数ペア:

[(1, 4119880), (2, 2059940), (4, 1029970), (5, 823976), (8, 514985), (10, 411988), (20, 205994), (40, 102997), (127, 32440), (254, 16220), (508, 8110), (635, 6488), (811, 5080), (1016, 4055), (1270, 3244), (1622, 2540)]