20138763775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{50833}}^1$

素因数の和:50932

約数の個数: 48

約数和(自身を含む): 28592294976

約数和(自身を除く): 8453531201

約数列:

[1, 5, 13, 23, 25, 53, 65, 115, 265, 299, 325, 575, 689, 1219, 1325, 1495, 3445, 6095, 7475, 15847, 17225, 30475, 50833, 79235, 254165, 396175, 660829, 1169159, 1270825, 2694149, 3304145, 5845795, 13470745, 15199067, 16520725, 29228975, 35023937, 61965427, 67353725, 75995335, 175119685, 309827135, 379976675, 805550551, 875598425, 1549135675, 4027752755, 20138763775]

約数ペア:

[(1, 20138763775), (5, 4027752755), (13, 1549135675), (23, 875598425), (25, 805550551), (53, 379976675), (65, 309827135), (115, 175119685), (265, 75995335), (299, 67353725), (325, 61965427), (575, 35023937), (689, 29228975), (1219, 16520725), (1325, 15199067), (1495, 13470745), (3445, 5845795), (6095, 3304145), (7475, 2694149), (15847, 1270825), (17225, 1169159), (30475, 660829), (50833, 396175), (79235, 254165)]