2647880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1249}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 6075000

約数和(自身を除く): 3427120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 1249, 2120, 2498, 4996, 6245, 9992, 12490, 24980, 49960, 66197, 132394, 264788, 330985, 529576, 661970, 1323940, 2647880]

約数ペア:

[(1, 2647880), (2, 1323940), (4, 661970), (5, 529576), (8, 330985), (10, 264788), (20, 132394), (40, 66197), (53, 49960), (106, 24980), (212, 12490), (265, 9992), (424, 6245), (530, 4996), (1060, 2498), (1249, 2120)]