19685200

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1697}}^1$

素因数の和:1744

約数の個数: 60

約数和(自身を含む): 48953340

約数和(自身を除く): 29268140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 145, 200, 232, 290, 400, 464, 580, 725, 1160, 1450, 1697, 2320, 2900, 3394, 5800, 6788, 8485, 11600, 13576, 16970, 27152, 33940, 42425, 49213, 67880, 84850, 98426, 135760, 169700, 196852, 246065, 339400, 393704, 492130, 678800, 787408, 984260, 1230325, 1968520, 2460650, 3937040, 4921300, 9842600, 19685200]

約数ペア:

[(1, 19685200), (2, 9842600), (4, 4921300), (5, 3937040), (8, 2460650), (10, 1968520), (16, 1230325), (20, 984260), (25, 787408), (29, 678800), (40, 492130), (50, 393704), (58, 339400), (80, 246065), (100, 196852), (116, 169700), (145, 135760), (200, 98426), (232, 84850), (290, 67880), (400, 49213), (464, 42425), (580, 33940), (725, 27152), (1160, 16970), (1450, 13576), (1697, 11600), (2320, 8485), (2900, 6788), (3394, 5800)]