51780920

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{8573}}^1$

素因数の和:8735

約数の個数: 32

約数和(自身を含む): 117292320

約数和(自身を除く): 65511400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 8573, 17146, 34292, 42865, 68584, 85730, 171460, 342920, 1294523, 2589046, 5178092, 6472615, 10356184, 12945230, 25890460, 51780920]

約数ペア:

[(1, 51780920), (2, 25890460), (4, 12945230), (5, 10356184), (8, 6472615), (10, 5178092), (20, 2589046), (40, 1294523), (151, 342920), (302, 171460), (604, 85730), (755, 68584), (1208, 42865), (1510, 34292), (3020, 17146), (6040, 8573)]