1178978440

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{45137}}^1$

素因数の和:45801

約数の個数: 32

約数和(自身を含む): 2656822680

約数和(自身を除く): 1477844240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2612, 3265, 5224, 6530, 13060, 26120, 45137, 90274, 180548, 225685, 361096, 451370, 902740, 1805480, 29474461, 58948922, 117897844, 147372305, 235795688, 294744610, 589489220, 1178978440]

約数ペア:

[(1, 1178978440), (2, 589489220), (4, 294744610), (5, 235795688), (8, 147372305), (10, 117897844), (20, 58948922), (40, 29474461), (653, 1805480), (1306, 902740), (2612, 451370), (3265, 361096), (5224, 225685), (6530, 180548), (13060, 90274), (26120, 45137)]