25707370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6379}}^1$

素因数の和:6430

約数の個数: 32

約数和(自身を含む): 51448320

約数和(自身を除く): 25740950

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 6379, 12758, 31895, 63790, 82927, 165854, 197749, 395498, 414635, 829270, 988745, 1977490, 2570737, 5141474, 12853685, 25707370]

約数ペア:

[(1, 25707370), (2, 12853685), (5, 5141474), (10, 2570737), (13, 1977490), (26, 988745), (31, 829270), (62, 414635), (65, 395498), (130, 197749), (155, 165854), (310, 82927), (403, 63790), (806, 31895), (2015, 12758), (4030, 6379)]