51929200

素因数分解:

$2^4\times 5^2\times {\mathrm{197}}^1\times {\mathrm{659}}^1$

素因数の和:874

約数の個数: 60

約数和(自身を含む): 125583480

約数和(自身を除く): 73654280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 197, 200, 394, 400, 659, 788, 985, 1318, 1576, 1970, 2636, 3152, 3295, 3940, 4925, 5272, 6590, 7880, 9850, 10544, 13180, 15760, 16475, 19700, 26360, 32950, 39400, 52720, 65900, 78800, 129823, 131800, 259646, 263600, 519292, 649115, 1038584, 1298230, 2077168, 2596460, 3245575, 5192920, 6491150, 10385840, 12982300, 25964600, 51929200]

約数ペア:

[(1, 51929200), (2, 25964600), (4, 12982300), (5, 10385840), (8, 6491150), (10, 5192920), (16, 3245575), (20, 2596460), (25, 2077168), (40, 1298230), (50, 1038584), (80, 649115), (100, 519292), (197, 263600), (200, 259646), (394, 131800), (400, 129823), (659, 78800), (788, 65900), (985, 52720), (1318, 39400), (1576, 32950), (1970, 26360), (2636, 19700), (3152, 16475), (3295, 15760), (3940, 13180), (4925, 10544), (5272, 9850), (6590, 7880)]