2803760

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{347}}^1$

素因数の和:461

約数の個数: 40

約数和(自身を含む): 6602256

約数和(自身を除く): 3798496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 347, 404, 505, 694, 808, 1010, 1388, 1616, 1735, 2020, 2776, 3470, 4040, 5552, 6940, 8080, 13880, 27760, 35047, 70094, 140188, 175235, 280376, 350470, 560752, 700940, 1401880, 2803760]

約数ペア:

[(1, 2803760), (2, 1401880), (4, 700940), (5, 560752), (8, 350470), (10, 280376), (16, 175235), (20, 140188), (40, 70094), (80, 35047), (101, 27760), (202, 13880), (347, 8080), (404, 6940), (505, 5552), (694, 4040), (808, 3470), (1010, 2776), (1388, 2020), (1616, 1735)]