28962560

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1$

素因数の和:71

約数の個数: 144

約数和(自身を含む): 80795232

約数和(自身を除く): 51832672

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 121, 128, 136, 160, 170, 176, 187, 220, 242, 256, 272, 320, 340, 352, 374, 440, 484, 544, 605, 640, 680, 704, 748, 880, 935, 968, 1088, 1210, 1280, 1331, 1360, 1408, 1496, 1760, 1870, 1936, 2057, 2176, 2420, 2662, 2720, 2816, 2992, 3520, 3740, 3872, 4114, 4352, 4840, 5324, 5440, 5984, 6655, 7040, 7480, 7744, 8228, 9680, 10285, 10648, 10880, 11968, 13310, 14080, 14960, 15488, 16456, 19360, 20570, 21296, 21760, 22627, 23936, 26620, 29920, 30976, 32912, 38720, 41140, 42592, 45254, 47872, 53240, 59840, 65824, 77440, 82280, 85184, 90508, 106480, 113135, 119680, 131648, 154880, 164560, 170368, 181016, 212960, 226270, 239360, 263296, 329120, 340736, 362032, 425920, 452540, 526592, 658240, 724064, 851840, 905080, 1316480, 1448128, 1703680, 1810160, 2632960, 2896256, 3620320, 5792512, 7240640, 14481280, 28962560]

約数ペア:

[(1, 28962560), (2, 14481280), (4, 7240640), (5, 5792512), (8, 3620320), (10, 2896256), (11, 2632960), (16, 1810160), (17, 1703680), (20, 1448128), (22, 1316480), (32, 905080), (34, 851840), (40, 724064), (44, 658240), (55, 526592), (64, 452540), (68, 425920), (80, 362032), (85, 340736), (88, 329120), (110, 263296), (121, 239360), (128, 226270), (136, 212960), (160, 181016), (170, 170368), (176, 164560), (187, 154880), (220, 131648), (242, 119680), (256, 113135), (272, 106480), (320, 90508), (340, 85184), (352, 82280), (374, 77440), (440, 65824), (484, 59840), (544, 53240), (605, 47872), (640, 45254), (680, 42592), (704, 41140), (748, 38720), (880, 32912), (935, 30976), (968, 29920), (1088, 26620), (1210, 23936), (1280, 22627), (1331, 21760), (1360, 21296), (1408, 20570), (1496, 19360), (1760, 16456), (1870, 15488), (1936, 14960), (2057, 14080), (2176, 13310), (2420, 11968), (2662, 10880), (2720, 10648), (2816, 10285), (2992, 9680), (3520, 8228), (3740, 7744), (3872, 7480), (4114, 7040), (4352, 6655), (4840, 5984), (5324, 5440)]