25802306560

素因数分解:

$2^{10}\times 5^1\times {\mathrm{257}}^1\times {\mathrm{19609}}^1$

素因数の和:19891

約数の個数: 88

約数和(自身を含む): 62139305160

約数和(自身を除く): 36336998600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 257, 320, 512, 514, 640, 1024, 1028, 1280, 1285, 2056, 2560, 2570, 4112, 5120, 5140, 8224, 10280, 16448, 19609, 20560, 32896, 39218, 41120, 65792, 78436, 82240, 98045, 131584, 156872, 164480, 196090, 263168, 313744, 328960, 392180, 627488, 657920, 784360, 1254976, 1315840, 1568720, 2509952, 3137440, 5019904, 5039513, 6274880, 10039808, 10079026, 12549760, 20079616, 20158052, 25099520, 25197565, 40316104, 50199040, 50395130, 80632208, 100398080, 100790260, 161264416, 201580520, 322528832, 403161040, 645057664, 806322080, 1290115328, 1612644160, 2580230656, 3225288320, 5160461312, 6450576640, 12901153280, 25802306560]

約数ペア:

[(1, 25802306560), (2, 12901153280), (4, 6450576640), (5, 5160461312), (8, 3225288320), (10, 2580230656), (16, 1612644160), (20, 1290115328), (32, 806322080), (40, 645057664), (64, 403161040), (80, 322528832), (128, 201580520), (160, 161264416), (256, 100790260), (257, 100398080), (320, 80632208), (512, 50395130), (514, 50199040), (640, 40316104), (1024, 25197565), (1028, 25099520), (1280, 20158052), (1285, 20079616), (2056, 12549760), (2560, 10079026), (2570, 10039808), (4112, 6274880), (5120, 5039513), (5140, 5019904), (8224, 3137440), (10280, 2509952), (16448, 1568720), (19609, 1315840), (20560, 1254976), (32896, 784360), (39218, 657920), (41120, 627488), (65792, 392180), (78436, 328960), (82240, 313744), (98045, 263168), (131584, 196090), (156872, 164480)]