2107788475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{499}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 2898252000

約数和(自身を除く): 790463525

約数列:

[1, 5, 13, 25, 41, 65, 205, 317, 325, 499, 533, 1025, 1585, 2495, 2665, 4121, 6487, 7925, 12475, 12997, 13325, 20459, 20605, 32435, 64985, 102295, 103025, 158183, 162175, 168961, 265967, 324925, 511475, 790915, 844805, 1329835, 2056379, 3954575, 4224025, 6485503, 6649175, 10281895, 32427515, 51409475, 84311539, 162137575, 421557695, 2107788475]

約数ペア:

[(1, 2107788475), (5, 421557695), (13, 162137575), (25, 84311539), (41, 51409475), (65, 32427515), (205, 10281895), (317, 6649175), (325, 6485503), (499, 4224025), (533, 3954575), (1025, 2056379), (1585, 1329835), (2495, 844805), (2665, 790915), (4121, 511475), (6487, 324925), (7925, 265967), (12475, 168961), (12997, 162175), (13325, 158183), (20459, 103025), (20605, 102295), (32435, 64985)]