25326320

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1607}}^1$

素因数の和:1817

約数の個数: 40

約数和(自身を含む): 59219424

約数和(自身を除く): 33893104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1607, 1970, 3152, 3214, 3940, 6428, 7880, 8035, 12856, 15760, 16070, 25712, 32140, 64280, 128560, 316579, 633158, 1266316, 1582895, 2532632, 3165790, 5065264, 6331580, 12663160, 25326320]

約数ペア:

[(1, 25326320), (2, 12663160), (4, 6331580), (5, 5065264), (8, 3165790), (10, 2532632), (16, 1582895), (20, 1266316), (40, 633158), (80, 316579), (197, 128560), (394, 64280), (788, 32140), (985, 25712), (1576, 16070), (1607, 15760), (1970, 12856), (3152, 8035), (3214, 7880), (3940, 6428)]