2019904120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3884431}}^1$

素因数の和:3884455

約数の個数: 32

約数和(自身を含む): 4894384320

約数和(自身を除く): 2874480200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3884431, 7768862, 15537724, 19422155, 31075448, 38844310, 50497603, 77688620, 100995206, 155377240, 201990412, 252488015, 403980824, 504976030, 1009952060, 2019904120]

約数ペア:

[(1, 2019904120), (2, 1009952060), (4, 504976030), (5, 403980824), (8, 252488015), (10, 201990412), (13, 155377240), (20, 100995206), (26, 77688620), (40, 50497603), (52, 38844310), (65, 31075448), (104, 19422155), (130, 15537724), (260, 7768862), (520, 3884431)]