19880400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{16567}}^1$

素因数の和:16588

約数の個数: 60

約数和(自身を含む): 63687392

約数和(自身を除く): 43806992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 16567, 33134, 49701, 66268, 82835, 99402, 132536, 165670, 198804, 248505, 265072, 331340, 397608, 414175, 497010, 662680, 795216, 828350, 994020, 1242525, 1325360, 1656700, 1988040, 2485050, 3313400, 3976080, 4970100, 6626800, 9940200, 19880400]

約数ペア:

[(1, 19880400), (2, 9940200), (3, 6626800), (4, 4970100), (5, 3976080), (6, 3313400), (8, 2485050), (10, 1988040), (12, 1656700), (15, 1325360), (16, 1242525), (20, 994020), (24, 828350), (25, 795216), (30, 662680), (40, 497010), (48, 414175), (50, 397608), (60, 331340), (75, 265072), (80, 248505), (100, 198804), (120, 165670), (150, 132536), (200, 99402), (240, 82835), (300, 66268), (400, 49701), (600, 33134), (1200, 16567)]