28751360

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1021}}^1$

素因数の和:1055

約数の個数: 80

約数和(自身を含む): 75276432

約数和(自身を除く): 46525072

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1021, 1280, 1408, 1760, 2042, 2560, 2816, 3520, 4084, 5105, 5632, 7040, 8168, 10210, 11231, 14080, 16336, 20420, 22462, 28160, 32672, 40840, 44924, 56155, 65344, 81680, 89848, 112310, 130688, 163360, 179696, 224620, 261376, 326720, 359392, 449240, 522752, 653440, 718784, 898480, 1306880, 1437568, 1796960, 2613760, 2875136, 3593920, 5750272, 7187840, 14375680, 28751360]

約数ペア:

[(1, 28751360), (2, 14375680), (4, 7187840), (5, 5750272), (8, 3593920), (10, 2875136), (11, 2613760), (16, 1796960), (20, 1437568), (22, 1306880), (32, 898480), (40, 718784), (44, 653440), (55, 522752), (64, 449240), (80, 359392), (88, 326720), (110, 261376), (128, 224620), (160, 179696), (176, 163360), (220, 130688), (256, 112310), (320, 89848), (352, 81680), (440, 65344), (512, 56155), (640, 44924), (704, 40840), (880, 32672), (1021, 28160), (1280, 22462), (1408, 20420), (1760, 16336), (2042, 14080), (2560, 11231), (2816, 10210), (3520, 8168), (4084, 7040), (5105, 5632)]