80487040

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6619}}^1$

素因数の和:6657

約数の個数: 64

約数和(自身を含む): 202572000

約数和(自身を除く): 122084960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 6619, 12160, 13238, 26476, 33095, 52952, 66190, 105904, 125761, 132380, 211808, 251522, 264760, 423616, 503044, 529520, 628805, 847232, 1006088, 1059040, 1257610, 2012176, 2118080, 2515220, 4024352, 4236160, 5030440, 8048704, 10060880, 16097408, 20121760, 40243520, 80487040]

約数ペア:

[(1, 80487040), (2, 40243520), (4, 20121760), (5, 16097408), (8, 10060880), (10, 8048704), (16, 5030440), (19, 4236160), (20, 4024352), (32, 2515220), (38, 2118080), (40, 2012176), (64, 1257610), (76, 1059040), (80, 1006088), (95, 847232), (128, 628805), (152, 529520), (160, 503044), (190, 423616), (304, 264760), (320, 251522), (380, 211808), (608, 132380), (640, 125761), (760, 105904), (1216, 66190), (1520, 52952), (2432, 33095), (3040, 26476), (6080, 13238), (6619, 12160)]