3639492040

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{226901}}^1$

素因数の和:227313

約数の個数: 32

約数和(自身を含む): 8209314360

約数和(自身を除く): 4569822320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 16040, 226901, 453802, 907604, 1134505, 1815208, 2269010, 4538020, 9076040, 90987301, 181974602, 363949204, 454936505, 727898408, 909873010, 1819746020, 3639492040]

約数ペア:

[(1, 3639492040), (2, 1819746020), (4, 909873010), (5, 727898408), (8, 454936505), (10, 363949204), (20, 181974602), (40, 90987301), (401, 9076040), (802, 4538020), (1604, 2269010), (2005, 1815208), (3208, 1134505), (4010, 907604), (8020, 453802), (16040, 226901)]