28299520

素因数分解:

$2^8\times 5^1\times {\mathrm{22109}}^1$

素因数の和:22130

約数の個数: 36

約数和(自身を含む): 67789260

約数和(自身を除く): 39489740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 22109, 44218, 88436, 110545, 176872, 221090, 353744, 442180, 707488, 884360, 1414976, 1768720, 2829952, 3537440, 5659904, 7074880, 14149760, 28299520]

約数ペア:

[(1, 28299520), (2, 14149760), (4, 7074880), (5, 5659904), (8, 3537440), (10, 2829952), (16, 1768720), (20, 1414976), (32, 884360), (40, 707488), (64, 442180), (80, 353744), (128, 221090), (160, 176872), (256, 110545), (320, 88436), (640, 44218), (1280, 22109)]