8439040

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 21339360

約数和(自身を除く): 12900320

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, 347, 380, 608, 640, 694, 760, 1216, 1280, 1388, 1520, 1735, 2432, 2776, 3040, 3470, 4864, 5552, 6080, 6593, 6940, 11104, 12160, 13186, 13880, 22208, 24320, 26372, 27760, 32965, 44416, 52744, 55520, 65930, 88832, 105488, 111040, 131860, 210976, 222080, 263720, 421952, 444160, 527440, 843904, 1054880, 1687808, 2109760, 4219520, 8439040]

約数ペア:

[(1, 8439040), (2, 4219520), (4, 2109760), (5, 1687808), (8, 1054880), (10, 843904), (16, 527440), (19, 444160), (20, 421952), (32, 263720), (38, 222080), (40, 210976), (64, 131860), (76, 111040), (80, 105488), (95, 88832), (128, 65930), (152, 55520), (160, 52744), (190, 44416), (256, 32965), (304, 27760), (320, 26372), (347, 24320), (380, 22208), (608, 13880), (640, 13186), (694, 12160), (760, 11104), (1216, 6940), (1280, 6593), (1388, 6080), (1520, 5552), (1735, 4864), (2432, 3470), (2776, 3040)]