26390920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21283}}^1$

素因数の和:21325

約数の個数: 32

約数和(自身を含む): 61297920

約数和(自身を除く): 34907000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 21283, 42566, 85132, 106415, 170264, 212830, 425660, 659773, 851320, 1319546, 2639092, 3298865, 5278184, 6597730, 13195460, 26390920]

約数ペア:

[(1, 26390920), (2, 13195460), (4, 6597730), (5, 5278184), (8, 3298865), (10, 2639092), (20, 1319546), (31, 851320), (40, 659773), (62, 425660), (124, 212830), (155, 170264), (248, 106415), (310, 85132), (620, 42566), (1240, 21283)]