80433280

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1153}}^1$

素因数の和:1281

約数の個数: 64

約数和(自身を含む): 194218200

約数和(自身を除く): 113784920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 320, 436, 545, 640, 872, 1090, 1153, 1744, 2180, 2306, 3488, 4360, 4612, 5765, 6976, 8720, 9224, 11530, 13952, 17440, 18448, 23060, 34880, 36896, 46120, 69760, 73792, 92240, 125677, 147584, 184480, 251354, 368960, 502708, 628385, 737920, 1005416, 1256770, 2010832, 2513540, 4021664, 5027080, 8043328, 10054160, 16086656, 20108320, 40216640, 80433280]

約数ペア:

[(1, 80433280), (2, 40216640), (4, 20108320), (5, 16086656), (8, 10054160), (10, 8043328), (16, 5027080), (20, 4021664), (32, 2513540), (40, 2010832), (64, 1256770), (80, 1005416), (109, 737920), (128, 628385), (160, 502708), (218, 368960), (320, 251354), (436, 184480), (545, 147584), (640, 125677), (872, 92240), (1090, 73792), (1153, 69760), (1744, 46120), (2180, 36896), (2306, 34880), (3488, 23060), (4360, 18448), (4612, 17440), (5765, 13952), (6976, 11530), (8720, 9224)]