28043840

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:316

約数の個数: 112

約数和(自身を含む): 75492864

約数和(自身を除く): 47449024

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 155, 160, 176, 220, 248, 257, 310, 320, 341, 352, 440, 496, 514, 620, 682, 704, 880, 992, 1028, 1240, 1285, 1364, 1705, 1760, 1984, 2056, 2480, 2570, 2728, 2827, 3410, 3520, 4112, 4960, 5140, 5456, 5654, 6820, 7967, 8224, 9920, 10280, 10912, 11308, 13640, 14135, 15934, 16448, 20560, 21824, 22616, 27280, 28270, 31868, 39835, 41120, 45232, 54560, 56540, 63736, 79670, 82240, 87637, 90464, 109120, 113080, 127472, 159340, 175274, 180928, 226160, 254944, 318680, 350548, 438185, 452320, 509888, 637360, 701096, 876370, 904640, 1274720, 1402192, 1752740, 2549440, 2804384, 3505480, 5608768, 7010960, 14021920, 28043840]

約数ペア:

[(1, 28043840), (2, 14021920), (4, 7010960), (5, 5608768), (8, 3505480), (10, 2804384), (11, 2549440), (16, 1752740), (20, 1402192), (22, 1274720), (31, 904640), (32, 876370), (40, 701096), (44, 637360), (55, 509888), (62, 452320), (64, 438185), (80, 350548), (88, 318680), (110, 254944), (124, 226160), (155, 180928), (160, 175274), (176, 159340), (220, 127472), (248, 113080), (257, 109120), (310, 90464), (320, 87637), (341, 82240), (352, 79670), (440, 63736), (496, 56540), (514, 54560), (620, 45232), (682, 41120), (704, 39835), (880, 31868), (992, 28270), (1028, 27280), (1240, 22616), (1285, 21824), (1364, 20560), (1705, 16448), (1760, 15934), (1984, 14135), (2056, 13640), (2480, 11308), (2570, 10912), (2728, 10280), (2827, 9920), (3410, 8224), (3520, 7967), (4112, 6820), (4960, 5654), (5140, 5456)]