25328128

素因数分解:

$2^9\times 7^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:253

約数の個数: 80

約数和(自身を含む): 59710464

約数和(自身を除く): 34382336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 128, 148, 191, 224, 256, 259, 296, 382, 448, 512, 518, 592, 764, 896, 1036, 1184, 1337, 1528, 1792, 2072, 2368, 2674, 3056, 3584, 4144, 4736, 5348, 6112, 7067, 8288, 9472, 10696, 12224, 14134, 16576, 18944, 21392, 24448, 28268, 33152, 42784, 48896, 49469, 56536, 66304, 85568, 97792, 98938, 113072, 132608, 171136, 197876, 226144, 342272, 395752, 452288, 684544, 791504, 904576, 1583008, 1809152, 3166016, 3618304, 6332032, 12664064, 25328128]

約数ペア:

[(1, 25328128), (2, 12664064), (4, 6332032), (7, 3618304), (8, 3166016), (14, 1809152), (16, 1583008), (28, 904576), (32, 791504), (37, 684544), (56, 452288), (64, 395752), (74, 342272), (112, 226144), (128, 197876), (148, 171136), (191, 132608), (224, 113072), (256, 98938), (259, 97792), (296, 85568), (382, 66304), (448, 56536), (512, 49469), (518, 48896), (592, 42784), (764, 33152), (896, 28268), (1036, 24448), (1184, 21392), (1337, 18944), (1528, 16576), (1792, 14134), (2072, 12224), (2368, 10696), (2674, 9472), (3056, 8288), (3584, 7067), (4144, 6112), (4736, 5348)]