28115200

素因数分解:

$2^8\times 5^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:240

約数の個数: 108

約数和(自身を含む): 72995328

約数和(自身を除く): 44880128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 128, 160, 184, 191, 200, 230, 256, 320, 368, 382, 400, 460, 575, 640, 736, 764, 800, 920, 955, 1150, 1280, 1472, 1528, 1600, 1840, 1910, 2300, 2944, 3056, 3200, 3680, 3820, 4393, 4600, 4775, 5888, 6112, 6400, 7360, 7640, 8786, 9200, 9550, 12224, 14720, 15280, 17572, 18400, 19100, 21965, 24448, 29440, 30560, 35144, 36800, 38200, 43930, 48896, 61120, 70288, 73600, 76400, 87860, 109825, 122240, 140576, 147200, 152800, 175720, 219650, 244480, 281152, 305600, 351440, 439300, 562304, 611200, 702880, 878600, 1124608, 1222400, 1405760, 1757200, 2811520, 3514400, 5623040, 7028800, 14057600, 28115200]

約数ペア:

[(1, 28115200), (2, 14057600), (4, 7028800), (5, 5623040), (8, 3514400), (10, 2811520), (16, 1757200), (20, 1405760), (23, 1222400), (25, 1124608), (32, 878600), (40, 702880), (46, 611200), (50, 562304), (64, 439300), (80, 351440), (92, 305600), (100, 281152), (115, 244480), (128, 219650), (160, 175720), (184, 152800), (191, 147200), (200, 140576), (230, 122240), (256, 109825), (320, 87860), (368, 76400), (382, 73600), (400, 70288), (460, 61120), (575, 48896), (640, 43930), (736, 38200), (764, 36800), (800, 35144), (920, 30560), (955, 29440), (1150, 24448), (1280, 21965), (1472, 19100), (1528, 18400), (1600, 17572), (1840, 15280), (1910, 14720), (2300, 12224), (2944, 9550), (3056, 9200), (3200, 8786), (3680, 7640), (3820, 7360), (4393, 6400), (4600, 6112), (4775, 5888)]