122195720

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{4751}}^1$

素因数の和:5405

約数の個数: 32

約数和(自身を含む): 275425920

約数和(自身を除く): 153230200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 3215, 4751, 5144, 6430, 9502, 12860, 19004, 23755, 25720, 38008, 47510, 95020, 190040, 3054893, 6109786, 12219572, 15274465, 24439144, 30548930, 61097860, 122195720]

約数ペア:

[(1, 122195720), (2, 61097860), (4, 30548930), (5, 24439144), (8, 15274465), (10, 12219572), (20, 6109786), (40, 3054893), (643, 190040), (1286, 95020), (2572, 47510), (3215, 38008), (4751, 25720), (5144, 23755), (6430, 19004), (9502, 12860)]