25521000820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2720789}}^1$

素因数の和:2720872

約数の個数: 48

約数和(自身を含む): 62164609920

約数和(自身を除く): 36643609100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 2720789, 5441578, 10883156, 13603945, 19045523, 27207890, 38091046, 54415780, 76182092, 95227615, 182292863, 190455230, 364585726, 380910460, 729171452, 911464315, 1276050041, 1822928630, 2552100082, 3645857260, 5104200164, 6380250205, 12760500410, 25521000820]

約数ペア:

[(1, 25521000820), (2, 12760500410), (4, 6380250205), (5, 5104200164), (7, 3645857260), (10, 2552100082), (14, 1822928630), (20, 1276050041), (28, 911464315), (35, 729171452), (67, 380910460), (70, 364585726), (134, 190455230), (140, 182292863), (268, 95227615), (335, 76182092), (469, 54415780), (670, 38091046), (938, 27207890), (1340, 19045523), (1876, 13603945), (2345, 10883156), (4690, 5441578), (9380, 2720789)]