80399400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{133999}}^1$

素因数の和:134018

約数の個数: 48

約数和(自身を含む): 249240000

約数和(自身を除く): 168840600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 300, 600, 133999, 267998, 401997, 535996, 669995, 803994, 1071992, 1339990, 1607988, 2009985, 2679980, 3215976, 3349975, 4019970, 5359960, 6699950, 8039940, 10049925, 13399900, 16079880, 20099850, 26799800, 40199700, 80399400]

約数ペア:

[(1, 80399400), (2, 40199700), (3, 26799800), (4, 20099850), (5, 16079880), (6, 13399900), (8, 10049925), (10, 8039940), (12, 6699950), (15, 5359960), (20, 4019970), (24, 3349975), (25, 3215976), (30, 2679980), (40, 2009985), (50, 1607988), (60, 1339990), (75, 1071992), (100, 803994), (120, 669995), (150, 535996), (200, 401997), (300, 267998), (600, 133999)]