26780690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2389}}^1$

素因数の和:2474

約数の個数: 32

約数和(自身を含む): 51624000

約数和(自身を除く): 24843310

約数列:

[1, 2, 5, 10, 19, 38, 59, 95, 118, 190, 295, 590, 1121, 2242, 2389, 4778, 5605, 11210, 11945, 23890, 45391, 90782, 140951, 226955, 281902, 453910, 704755, 1409510, 2678069, 5356138, 13390345, 26780690]

約数ペア:

[(1, 26780690), (2, 13390345), (5, 5356138), (10, 2678069), (19, 1409510), (38, 704755), (59, 453910), (95, 281902), (118, 226955), (190, 140951), (295, 90782), (590, 45391), (1121, 23890), (2242, 11945), (2389, 11210), (4778, 5605)]