140556520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1973}}^1$

素因数の和:2134

約数の個数: 64

約数和(自身を含む): 343239120

約数和(自身を除く): 202682600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 137, 260, 274, 520, 548, 685, 1096, 1370, 1781, 1973, 2740, 3562, 3946, 5480, 7124, 7892, 8905, 9865, 14248, 15784, 17810, 19730, 25649, 35620, 39460, 51298, 71240, 78920, 102596, 128245, 205192, 256490, 270301, 512980, 540602, 1025960, 1081204, 1351505, 2162408, 2703010, 3513913, 5406020, 7027826, 10812040, 14055652, 17569565, 28111304, 35139130, 70278260, 140556520]

約数ペア:

[(1, 140556520), (2, 70278260), (4, 35139130), (5, 28111304), (8, 17569565), (10, 14055652), (13, 10812040), (20, 7027826), (26, 5406020), (40, 3513913), (52, 2703010), (65, 2162408), (104, 1351505), (130, 1081204), (137, 1025960), (260, 540602), (274, 512980), (520, 270301), (548, 256490), (685, 205192), (1096, 128245), (1370, 102596), (1781, 78920), (1973, 71240), (2740, 51298), (3562, 39460), (3946, 35620), (5480, 25649), (7124, 19730), (7892, 17810), (8905, 15784), (9865, 14248)]