99994480

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{3943}}^1$

素因数の和:4273

約数の個数: 40

約数和(自身を含む): 233279712

約数和(自身を除く): 133285232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1268, 1585, 2536, 3170, 3943, 5072, 6340, 7886, 12680, 15772, 19715, 25360, 31544, 39430, 63088, 78860, 157720, 315440, 1249931, 2499862, 4999724, 6249655, 9999448, 12499310, 19998896, 24998620, 49997240, 99994480]

約数ペア:

[(1, 99994480), (2, 49997240), (4, 24998620), (5, 19998896), (8, 12499310), (10, 9999448), (16, 6249655), (20, 4999724), (40, 2499862), (80, 1249931), (317, 315440), (634, 157720), (1268, 78860), (1585, 63088), (2536, 39430), (3170, 31544), (3943, 25360), (5072, 19715), (6340, 15772), (7886, 12680)]