28851520

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3109}}^1$

素因数の和:3155

約数の個数: 56

約数和(自身を含む): 71094600

約数和(自身を除く): 42243080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2320, 3109, 4640, 6218, 9280, 12436, 15545, 24872, 31090, 49744, 62180, 90161, 99488, 124360, 180322, 198976, 248720, 360644, 450805, 497440, 721288, 901610, 994880, 1442576, 1803220, 2885152, 3606440, 5770304, 7212880, 14425760, 28851520]

約数ペア:

[(1, 28851520), (2, 14425760), (4, 7212880), (5, 5770304), (8, 3606440), (10, 2885152), (16, 1803220), (20, 1442576), (29, 994880), (32, 901610), (40, 721288), (58, 497440), (64, 450805), (80, 360644), (116, 248720), (145, 198976), (160, 180322), (232, 124360), (290, 99488), (320, 90161), (464, 62180), (580, 49744), (928, 31090), (1160, 24872), (1856, 15545), (2320, 12436), (3109, 9280), (4640, 6218)]