99998240

素因数分解:

$2^5\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4139}}^1$

素因数の和:4305

約数の個数: 48

約数和(自身を含む): 237867840

約数和(自身を除く): 137869600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 151, 160, 302, 604, 755, 1208, 1510, 2416, 3020, 4139, 4832, 6040, 8278, 12080, 16556, 20695, 24160, 33112, 41390, 66224, 82780, 132448, 165560, 331120, 624989, 662240, 1249978, 2499956, 3124945, 4999912, 6249890, 9999824, 12499780, 19999648, 24999560, 49999120, 99998240]

約数ペア:

[(1, 99998240), (2, 49999120), (4, 24999560), (5, 19999648), (8, 12499780), (10, 9999824), (16, 6249890), (20, 4999912), (32, 3124945), (40, 2499956), (80, 1249978), (151, 662240), (160, 624989), (302, 331120), (604, 165560), (755, 132448), (1208, 82780), (1510, 66224), (2416, 41390), (3020, 33112), (4139, 24160), (4832, 20695), (6040, 16556), (8278, 12080)]