81455090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{577}}^1\times {\mathrm{743}}^1$

素因数の和:1346

約数の個数: 32

約数和(自身を含む): 154811520

約数和(自身を除く): 73356430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 577, 743, 1154, 1486, 2885, 3715, 5770, 7430, 10963, 14117, 21926, 28234, 54815, 70585, 109630, 141170, 428711, 857422, 2143555, 4287110, 8145509, 16291018, 40727545, 81455090]

約数ペア:

[(1, 81455090), (2, 40727545), (5, 16291018), (10, 8145509), (19, 4287110), (38, 2143555), (95, 857422), (190, 428711), (577, 141170), (743, 109630), (1154, 70585), (1486, 54815), (2885, 28234), (3715, 21926), (5770, 14117), (7430, 10963)]