7960040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 19872000

約数和(自身を除く): 11911960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 229, 316, 395, 440, 458, 632, 790, 869, 916, 1145, 1580, 1738, 1832, 2290, 2519, 3160, 3476, 4345, 4580, 5038, 6952, 8690, 9160, 10076, 12595, 17380, 18091, 20152, 25190, 34760, 36182, 50380, 72364, 90455, 100760, 144728, 180910, 199001, 361820, 398002, 723640, 796004, 995005, 1592008, 1990010, 3980020, 7960040]

約数ペア:

[(1, 7960040), (2, 3980020), (4, 1990010), (5, 1592008), (8, 995005), (10, 796004), (11, 723640), (20, 398002), (22, 361820), (40, 199001), (44, 180910), (55, 144728), (79, 100760), (88, 90455), (110, 72364), (158, 50380), (220, 36182), (229, 34760), (316, 25190), (395, 20152), (440, 18091), (458, 17380), (632, 12595), (790, 10076), (869, 9160), (916, 8690), (1145, 6952), (1580, 5038), (1738, 4580), (1832, 4345), (2290, 3476), (2519, 3160)]