28040960

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1153}}^1$

素因数の和:1193

約数の個数: 72

約数和(自身を含む): 70763280

約数和(自身を除く): 42722320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1153, 1216, 1280, 1520, 2306, 2432, 3040, 4612, 4864, 5765, 6080, 9224, 11530, 12160, 18448, 21907, 23060, 24320, 36896, 43814, 46120, 73792, 87628, 92240, 109535, 147584, 175256, 184480, 219070, 295168, 350512, 368960, 438140, 701024, 737920, 876280, 1402048, 1475840, 1752560, 2804096, 3505120, 5608192, 7010240, 14020480, 28040960]

約数ペア:

[(1, 28040960), (2, 14020480), (4, 7010240), (5, 5608192), (8, 3505120), (10, 2804096), (16, 1752560), (19, 1475840), (20, 1402048), (32, 876280), (38, 737920), (40, 701024), (64, 438140), (76, 368960), (80, 350512), (95, 295168), (128, 219070), (152, 184480), (160, 175256), (190, 147584), (256, 109535), (304, 92240), (320, 87628), (380, 73792), (608, 46120), (640, 43814), (760, 36896), (1153, 24320), (1216, 23060), (1280, 21907), (1520, 18448), (2306, 12160), (2432, 11530), (3040, 9224), (4612, 6080), (4864, 5765)]