81006380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{947}}^1$

素因数の和:1023

約数の個数: 96

約数和(自身を含む): 214050816

約数和(自身を除く): 133044436

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 47, 52, 65, 70, 91, 94, 130, 140, 182, 188, 235, 260, 329, 364, 455, 470, 611, 658, 910, 940, 947, 1222, 1316, 1645, 1820, 1894, 2444, 3055, 3290, 3788, 4277, 4735, 6110, 6580, 6629, 8554, 9470, 12220, 12311, 13258, 17108, 18940, 21385, 24622, 26516, 33145, 42770, 44509, 49244, 61555, 66290, 85540, 86177, 89018, 123110, 132580, 172354, 178036, 222545, 246220, 311563, 344708, 430885, 445090, 578617, 623126, 861770, 890180, 1157234, 1246252, 1557815, 1723540, 2314468, 2893085, 3115630, 4050319, 5786170, 6231260, 8100638, 11572340, 16201276, 20251595, 40503190, 81006380]

約数ペア:

[(1, 81006380), (2, 40503190), (4, 20251595), (5, 16201276), (7, 11572340), (10, 8100638), (13, 6231260), (14, 5786170), (20, 4050319), (26, 3115630), (28, 2893085), (35, 2314468), (47, 1723540), (52, 1557815), (65, 1246252), (70, 1157234), (91, 890180), (94, 861770), (130, 623126), (140, 578617), (182, 445090), (188, 430885), (235, 344708), (260, 311563), (329, 246220), (364, 222545), (455, 178036), (470, 172354), (611, 132580), (658, 123110), (910, 89018), (940, 86177), (947, 85540), (1222, 66290), (1316, 61555), (1645, 49244), (1820, 44509), (1894, 42770), (2444, 33145), (3055, 26516), (3290, 24622), (3788, 21385), (4277, 18940), (4735, 17108), (6110, 13258), (6580, 12311), (6629, 12220), (8554, 9470)]