25026880

素因数分解:

$2^6\times 5^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:611

約数の個数: 56

約数和(自身を含む): 60048648

約数和(自身を除く): 35021768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 197, 320, 394, 397, 788, 794, 985, 1576, 1588, 1970, 1985, 3152, 3176, 3940, 3970, 6304, 6352, 7880, 7940, 12608, 12704, 15760, 15880, 25408, 31520, 31760, 63040, 63520, 78209, 127040, 156418, 312836, 391045, 625672, 782090, 1251344, 1564180, 2502688, 3128360, 5005376, 6256720, 12513440, 25026880]

約数ペア:

[(1, 25026880), (2, 12513440), (4, 6256720), (5, 5005376), (8, 3128360), (10, 2502688), (16, 1564180), (20, 1251344), (32, 782090), (40, 625672), (64, 391045), (80, 312836), (160, 156418), (197, 127040), (320, 78209), (394, 63520), (397, 63040), (788, 31760), (794, 31520), (985, 25408), (1576, 15880), (1588, 15760), (1970, 12704), (1985, 12608), (3152, 7940), (3176, 7880), (3940, 6352), (3970, 6304)]