31199800

素因数分解:

$2^3\times 5^2\times {\mathrm{257}}^1\times {\mathrm{607}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 72941760

約数和(自身を除く): 41741960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 257, 514, 607, 1028, 1214, 1285, 2056, 2428, 2570, 3035, 4856, 5140, 6070, 6425, 10280, 12140, 12850, 15175, 24280, 25700, 30350, 51400, 60700, 121400, 155999, 311998, 623996, 779995, 1247992, 1559990, 3119980, 3899975, 6239960, 7799950, 15599900, 31199800]

約数ペア:

[(1, 31199800), (2, 15599900), (4, 7799950), (5, 6239960), (8, 3899975), (10, 3119980), (20, 1559990), (25, 1247992), (40, 779995), (50, 623996), (100, 311998), (200, 155999), (257, 121400), (514, 60700), (607, 51400), (1028, 30350), (1214, 25700), (1285, 24280), (2056, 15175), (2428, 12850), (2570, 12140), (3035, 10280), (4856, 6425), (5140, 6070)]