80080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:44

約数の個数: 80

約数和(自身を含む): 249984

約数和(自身を除く): 169904

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 560, 572, 616, 715, 728, 770, 880, 910, 1001, 1040, 1144, 1232, 1430, 1456, 1540, 1820, 2002, 2288, 2860, 3080, 3640, 4004, 5005, 5720, 6160, 7280, 8008, 10010, 11440, 16016, 20020, 40040, 80080]

約数ペア:

[(1, 80080), (2, 40040), (4, 20020), (5, 16016), (7, 11440), (8, 10010), (10, 8008), (11, 7280), (13, 6160), (14, 5720), (16, 5005), (20, 4004), (22, 3640), (26, 3080), (28, 2860), (35, 2288), (40, 2002), (44, 1820), (52, 1540), (55, 1456), (56, 1430), (65, 1232), (70, 1144), (77, 1040), (80, 1001), (88, 910), (91, 880), (104, 770), (110, 728), (112, 715), (130, 616), (140, 572), (143, 560), (154, 520), (176, 455), (182, 440), (208, 385), (220, 364), (260, 308), (280, 286)]