25963280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:744

約数の個数: 80

約数和(自身を含む): 70066944

約数和(自身を除く): 44103664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 653, 710, 994, 1136, 1306, 1420, 1988, 2485, 2612, 2840, 3265, 3976, 4571, 4970, 5224, 5680, 6530, 7952, 9142, 9940, 10448, 13060, 18284, 19880, 22855, 26120, 36568, 39760, 45710, 46363, 52240, 73136, 91420, 92726, 182840, 185452, 231815, 324541, 365680, 370904, 463630, 649082, 741808, 927260, 1298164, 1622705, 1854520, 2596328, 3245410, 3709040, 5192656, 6490820, 12981640, 25963280]

約数ペア:

[(1, 25963280), (2, 12981640), (4, 6490820), (5, 5192656), (7, 3709040), (8, 3245410), (10, 2596328), (14, 1854520), (16, 1622705), (20, 1298164), (28, 927260), (35, 741808), (40, 649082), (56, 463630), (70, 370904), (71, 365680), (80, 324541), (112, 231815), (140, 185452), (142, 182840), (280, 92726), (284, 91420), (355, 73136), (497, 52240), (560, 46363), (568, 45710), (653, 39760), (710, 36568), (994, 26120), (1136, 22855), (1306, 19880), (1420, 18284), (1988, 13060), (2485, 10448), (2612, 9940), (2840, 9142), (3265, 7952), (3976, 6530), (4571, 5680), (4970, 5224)]