19638800

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1693}}^1$

素因数の和:1740

約数の個数: 60

約数和(自身を含む): 48838020

約数和(自身を除く): 29199220

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, 1693, 2320, 2900, 3386, 5800, 6772, 8465, 11600, 13544, 16930, 27088, 33860, 42325, 49097, 67720, 84650, 98194, 135440, 169300, 196388, 245485, 338600, 392776, 490970, 677200, 785552, 981940, 1227425, 1963880, 2454850, 3927760, 4909700, 9819400, 19638800]

約数ペア:

[(1, 19638800), (2, 9819400), (4, 4909700), (5, 3927760), (8, 2454850), (10, 1963880), (16, 1227425), (20, 981940), (25, 785552), (29, 677200), (40, 490970), (50, 392776), (58, 338600), (80, 245485), (100, 196388), (116, 169300), (145, 135440), (200, 98194), (232, 84650), (290, 67720), (400, 49097), (464, 42325), (580, 33860), (725, 27088), (1160, 16930), (1450, 13544), (1693, 11600), (2320, 8465), (2900, 6772), (3386, 5800)]