20555200

素因数分解:

$2^6\times 5^2\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:494

約数の個数: 84

約数和(自身を含む): 52440840

約数和(自身を除く): 31885640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 64, 80, 100, 116, 145, 160, 200, 232, 290, 320, 400, 443, 464, 580, 725, 800, 886, 928, 1160, 1450, 1600, 1772, 1856, 2215, 2320, 2900, 3544, 4430, 4640, 5800, 7088, 8860, 9280, 11075, 11600, 12847, 14176, 17720, 22150, 23200, 25694, 28352, 35440, 44300, 46400, 51388, 64235, 70880, 88600, 102776, 128470, 141760, 177200, 205552, 256940, 321175, 354400, 411104, 513880, 642350, 708800, 822208, 1027760, 1284700, 2055520, 2569400, 4111040, 5138800, 10277600, 20555200]

約数ペア:

[(1, 20555200), (2, 10277600), (4, 5138800), (5, 4111040), (8, 2569400), (10, 2055520), (16, 1284700), (20, 1027760), (25, 822208), (29, 708800), (32, 642350), (40, 513880), (50, 411104), (58, 354400), (64, 321175), (80, 256940), (100, 205552), (116, 177200), (145, 141760), (160, 128470), (200, 102776), (232, 88600), (290, 70880), (320, 64235), (400, 51388), (443, 46400), (464, 44300), (580, 35440), (725, 28352), (800, 25694), (886, 23200), (928, 22150), (1160, 17720), (1450, 14176), (1600, 12847), (1772, 11600), (1856, 11075), (2215, 9280), (2320, 8860), (2900, 7088), (3544, 5800), (4430, 4640)]