56226560

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 151092480

約数和(自身を除く): 94865920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 109, 124, 128, 130, 155, 160, 208, 218, 248, 256, 260, 310, 320, 403, 416, 436, 496, 520, 545, 620, 640, 806, 832, 872, 992, 1040, 1090, 1240, 1280, 1417, 1612, 1664, 1744, 1984, 2015, 2080, 2180, 2480, 2834, 3224, 3328, 3379, 3488, 3968, 4030, 4160, 4360, 4960, 5668, 6448, 6758, 6976, 7085, 7936, 8060, 8320, 8720, 9920, 11336, 12896, 13516, 13952, 14170, 16120, 16640, 16895, 17440, 19840, 22672, 25792, 27032, 27904, 28340, 32240, 33790, 34880, 39680, 43927, 45344, 51584, 54064, 56680, 64480, 67580, 69760, 87854, 90688, 103168, 108128, 113360, 128960, 135160, 139520, 175708, 181376, 216256, 219635, 226720, 257920, 270320, 351416, 362752, 432512, 439270, 453440, 515840, 540640, 702832, 865024, 878540, 906880, 1081280, 1405664, 1757080, 1813760, 2162560, 2811328, 3514160, 4325120, 5622656, 7028320, 11245312, 14056640, 28113280, 56226560]

約数ペア:

[(1, 56226560), (2, 28113280), (4, 14056640), (5, 11245312), (8, 7028320), (10, 5622656), (13, 4325120), (16, 3514160), (20, 2811328), (26, 2162560), (31, 1813760), (32, 1757080), (40, 1405664), (52, 1081280), (62, 906880), (64, 878540), (65, 865024), (80, 702832), (104, 540640), (109, 515840), (124, 453440), (128, 439270), (130, 432512), (155, 362752), (160, 351416), (208, 270320), (218, 257920), (248, 226720), (256, 219635), (260, 216256), (310, 181376), (320, 175708), (403, 139520), (416, 135160), (436, 128960), (496, 113360), (520, 108128), (545, 103168), (620, 90688), (640, 87854), (806, 69760), (832, 67580), (872, 64480), (992, 56680), (1040, 54064), (1090, 51584), (1240, 45344), (1280, 43927), (1417, 39680), (1612, 34880), (1664, 33790), (1744, 32240), (1984, 28340), (2015, 27904), (2080, 27032), (2180, 25792), (2480, 22672), (2834, 19840), (3224, 17440), (3328, 16895), (3379, 16640), (3488, 16120), (3968, 14170), (4030, 13952), (4160, 13516), (4360, 12896), (4960, 11336), (5668, 9920), (6448, 8720), (6758, 8320), (6976, 8060), (7085, 7936)]