28822640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4679}}^1$

素因数の和:4710

約数の個数: 80

約数和(自身を含む): 83566080

約数和(自身を除く): 54743440

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, 4679, 6160, 9358, 18716, 23395, 32753, 37432, 46790, 51469, 65506, 74864, 93580, 102938, 131012, 163765, 187160, 205876, 257345, 262024, 327530, 360283, 374320, 411752, 514690, 524048, 655060, 720566, 823504, 1029380, 1310120, 1441132, 1801415, 2058760, 2620240, 2882264, 3602830, 4117520, 5764528, 7205660, 14411320, 28822640]

約数ペア:

[(1, 28822640), (2, 14411320), (4, 7205660), (5, 5764528), (7, 4117520), (8, 3602830), (10, 2882264), (11, 2620240), (14, 2058760), (16, 1801415), (20, 1441132), (22, 1310120), (28, 1029380), (35, 823504), (40, 720566), (44, 655060), (55, 524048), (56, 514690), (70, 411752), (77, 374320), (80, 360283), (88, 327530), (110, 262024), (112, 257345), (140, 205876), (154, 187160), (176, 163765), (220, 131012), (280, 102938), (308, 93580), (385, 74864), (440, 65506), (560, 51469), (616, 46790), (770, 37432), (880, 32753), (1232, 23395), (1540, 18716), (3080, 9358), (4679, 6160)]