2080872040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1283}}^1\times {\mathrm{3119}}^1$

素因数の和:4426

約数の個数: 64

約数和(自身を含む): 5047660800

約数和(自身を除く): 2966788760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1283, 2566, 3119, 5132, 6238, 6415, 10264, 12476, 12830, 15595, 16679, 24952, 25660, 31190, 33358, 40547, 51320, 62380, 66716, 81094, 83395, 124760, 133432, 162188, 166790, 202735, 324376, 333580, 405470, 667160, 810940, 1621880, 4001677, 8003354, 16006708, 20008385, 32013416, 40016770, 52021801, 80033540, 104043602, 160067080, 208087204, 260109005, 416174408, 520218010, 1040436020, 2080872040]

約数ペア:

[(1, 2080872040), (2, 1040436020), (4, 520218010), (5, 416174408), (8, 260109005), (10, 208087204), (13, 160067080), (20, 104043602), (26, 80033540), (40, 52021801), (52, 40016770), (65, 32013416), (104, 20008385), (130, 16006708), (260, 8003354), (520, 4001677), (1283, 1621880), (2566, 810940), (3119, 667160), (5132, 405470), (6238, 333580), (6415, 324376), (10264, 202735), (12476, 166790), (12830, 162188), (15595, 133432), (16679, 124760), (24952, 83395), (25660, 81094), (31190, 66716), (33358, 62380), (40547, 51320)]