16521703040

素因数分解:

$2^7\times 5^1\times {\mathrm{25815161}}^1$

素因数の和:25815180

約数の個数: 32

約数和(自身を含む): 39497197860

約数和(自身を除く): 22975494820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 25815161, 51630322, 103260644, 129075805, 206521288, 258151610, 413042576, 516303220, 826085152, 1032606440, 1652170304, 2065212880, 3304340608, 4130425760, 8260851520, 16521703040]

約数ペア:

[(1, 16521703040), (2, 8260851520), (4, 4130425760), (5, 3304340608), (8, 2065212880), (10, 1652170304), (16, 1032606440), (20, 826085152), (32, 516303220), (40, 413042576), (64, 258151610), (80, 206521288), (128, 129075805), (160, 103260644), (320, 51630322), (640, 25815161)]