28354480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4603}}^1$

素因数の和:4634

約数の個数: 80

約数和(自身を含む): 82209024

約数和(自身を除く): 53854544

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 4603, 6160, 9206, 18412, 23015, 32221, 36824, 46030, 50633, 64442, 73648, 92060, 101266, 128884, 161105, 184120, 202532, 253165, 257768, 322210, 354431, 368240, 405064, 506330, 515536, 644420, 708862, 810128, 1012660, 1288840, 1417724, 1772155, 2025320, 2577680, 2835448, 3544310, 4050640, 5670896, 7088620, 14177240, 28354480]

約数ペア:

[(1, 28354480), (2, 14177240), (4, 7088620), (5, 5670896), (7, 4050640), (8, 3544310), (10, 2835448), (11, 2577680), (14, 2025320), (16, 1772155), (20, 1417724), (22, 1288840), (28, 1012660), (35, 810128), (40, 708862), (44, 644420), (55, 515536), (56, 506330), (70, 405064), (77, 368240), (80, 354431), (88, 322210), (110, 257768), (112, 253165), (140, 202532), (154, 184120), (176, 161105), (220, 128884), (280, 101266), (308, 92060), (385, 73648), (440, 64442), (560, 50633), (616, 46030), (770, 36824), (880, 32221), (1232, 23015), (1540, 18412), (3080, 9206), (4603, 6160)]