80896000

素因数分解:

$2^{13}\times 5^3\times {\mathrm{79}}^1$

素因数の和:120

約数の個数: 112

約数和(自身を含む): 204459840

約数和(自身を除く): 123563840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 125, 128, 158, 160, 200, 250, 256, 316, 320, 395, 400, 500, 512, 632, 640, 790, 800, 1000, 1024, 1264, 1280, 1580, 1600, 1975, 2000, 2048, 2528, 2560, 3160, 3200, 3950, 4000, 4096, 5056, 5120, 6320, 6400, 7900, 8000, 8192, 9875, 10112, 10240, 12640, 12800, 15800, 16000, 19750, 20224, 20480, 25280, 25600, 31600, 32000, 39500, 40448, 40960, 50560, 51200, 63200, 64000, 79000, 80896, 101120, 102400, 126400, 128000, 158000, 161792, 202240, 204800, 252800, 256000, 316000, 323584, 404480, 505600, 512000, 632000, 647168, 808960, 1011200, 1024000, 1264000, 1617920, 2022400, 2528000, 3235840, 4044800, 5056000, 8089600, 10112000, 16179200, 20224000, 40448000, 80896000]

約数ペア:

[(1, 80896000), (2, 40448000), (4, 20224000), (5, 16179200), (8, 10112000), (10, 8089600), (16, 5056000), (20, 4044800), (25, 3235840), (32, 2528000), (40, 2022400), (50, 1617920), (64, 1264000), (79, 1024000), (80, 1011200), (100, 808960), (125, 647168), (128, 632000), (158, 512000), (160, 505600), (200, 404480), (250, 323584), (256, 316000), (316, 256000), (320, 252800), (395, 204800), (400, 202240), (500, 161792), (512, 158000), (632, 128000), (640, 126400), (790, 102400), (800, 101120), (1000, 80896), (1024, 79000), (1264, 64000), (1280, 63200), (1580, 51200), (1600, 50560), (1975, 40960), (2000, 40448), (2048, 39500), (2528, 32000), (2560, 31600), (3160, 25600), (3200, 25280), (3950, 20480), (4000, 20224), (4096, 19750), (5056, 16000), (5120, 15800), (6320, 12800), (6400, 12640), (7900, 10240), (8000, 10112), (8192, 9875)]