19724800

素因数分解:

$2^9\times 5^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:118

約数の個数: 120

約数和(自身を含む): 51755616

約数和(自身を除く): 32030816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 67, 80, 92, 100, 115, 128, 134, 160, 184, 200, 230, 256, 268, 320, 335, 368, 400, 460, 512, 536, 575, 640, 670, 736, 800, 920, 1072, 1150, 1280, 1340, 1472, 1541, 1600, 1675, 1840, 2144, 2300, 2560, 2680, 2944, 3082, 3200, 3350, 3680, 4288, 4600, 5360, 5888, 6164, 6400, 6700, 7360, 7705, 8576, 9200, 10720, 11776, 12328, 12800, 13400, 14720, 15410, 17152, 18400, 21440, 24656, 26800, 29440, 30820, 34304, 36800, 38525, 42880, 49312, 53600, 58880, 61640, 73600, 77050, 85760, 98624, 107200, 123280, 147200, 154100, 171520, 197248, 214400, 246560, 294400, 308200, 394496, 428800, 493120, 616400, 788992, 857600, 986240, 1232800, 1972480, 2465600, 3944960, 4931200, 9862400, 19724800]

約数ペア:

[(1, 19724800), (2, 9862400), (4, 4931200), (5, 3944960), (8, 2465600), (10, 1972480), (16, 1232800), (20, 986240), (23, 857600), (25, 788992), (32, 616400), (40, 493120), (46, 428800), (50, 394496), (64, 308200), (67, 294400), (80, 246560), (92, 214400), (100, 197248), (115, 171520), (128, 154100), (134, 147200), (160, 123280), (184, 107200), (200, 98624), (230, 85760), (256, 77050), (268, 73600), (320, 61640), (335, 58880), (368, 53600), (400, 49312), (460, 42880), (512, 38525), (536, 36800), (575, 34304), (640, 30820), (670, 29440), (736, 26800), (800, 24656), (920, 21440), (1072, 18400), (1150, 17152), (1280, 15410), (1340, 14720), (1472, 13400), (1541, 12800), (1600, 12328), (1675, 11776), (1840, 10720), (2144, 9200), (2300, 8576), (2560, 7705), (2680, 7360), (2944, 6700), (3082, 6400), (3200, 6164), (3350, 5888), (3680, 5360), (4288, 4600)]