2175560

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 4943160

約数和(自身を除く): 2767600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 397, 548, 685, 794, 1096, 1370, 1588, 1985, 2740, 3176, 3970, 5480, 7940, 15880, 54389, 108778, 217556, 271945, 435112, 543890, 1087780, 2175560]

約数ペア:

[(1, 2175560), (2, 1087780), (4, 543890), (5, 435112), (8, 271945), (10, 217556), (20, 108778), (40, 54389), (137, 15880), (274, 7940), (397, 5480), (548, 3970), (685, 3176), (794, 2740), (1096, 1985), (1370, 1588)]