27888080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 120

約数和(自身を含む): 74016096

約数和(自身を除く): 46128016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 67, 80, 86, 88, 110, 121, 134, 172, 176, 215, 220, 242, 268, 335, 344, 430, 440, 473, 484, 536, 605, 670, 688, 737, 860, 880, 946, 968, 1072, 1210, 1340, 1474, 1720, 1892, 1936, 2365, 2420, 2680, 2881, 2948, 3440, 3685, 3784, 4730, 4840, 5203, 5360, 5762, 5896, 7370, 7568, 8107, 9460, 9680, 10406, 11524, 11792, 14405, 14740, 16214, 18920, 20812, 23048, 26015, 28810, 29480, 31691, 32428, 37840, 40535, 41624, 46096, 52030, 57620, 58960, 63382, 64856, 81070, 83248, 104060, 115240, 126764, 129712, 158455, 162140, 208120, 230480, 253528, 316910, 324280, 348601, 416240, 507056, 633820, 648560, 697202, 1267640, 1394404, 1743005, 2535280, 2788808, 3486010, 5577616, 6972020, 13944040, 27888080]

約数ペア:

[(1, 27888080), (2, 13944040), (4, 6972020), (5, 5577616), (8, 3486010), (10, 2788808), (11, 2535280), (16, 1743005), (20, 1394404), (22, 1267640), (40, 697202), (43, 648560), (44, 633820), (55, 507056), (67, 416240), (80, 348601), (86, 324280), (88, 316910), (110, 253528), (121, 230480), (134, 208120), (172, 162140), (176, 158455), (215, 129712), (220, 126764), (242, 115240), (268, 104060), (335, 83248), (344, 81070), (430, 64856), (440, 63382), (473, 58960), (484, 57620), (536, 52030), (605, 46096), (670, 41624), (688, 40535), (737, 37840), (860, 32428), (880, 31691), (946, 29480), (968, 28810), (1072, 26015), (1210, 23048), (1340, 20812), (1474, 18920), (1720, 16214), (1892, 14740), (1936, 14405), (2365, 11792), (2420, 11524), (2680, 10406), (2881, 9680), (2948, 9460), (3440, 8107), (3685, 7568), (3784, 7370), (4730, 5896), (4840, 5762), (5203, 5360)]