127373440

素因数分解:

$2^7\times 5^1\times {\mathrm{199021}}^1$

素因数の和:199040

約数の個数: 32

約数和(自身を含む): 304503660

約数和(自身を除く): 177130220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 199021, 398042, 796084, 995105, 1592168, 1990210, 3184336, 3980420, 6368672, 7960840, 12737344, 15921680, 25474688, 31843360, 63686720, 127373440]

約数ペア:

[(1, 127373440), (2, 63686720), (4, 31843360), (5, 25474688), (8, 15921680), (10, 12737344), (16, 7960840), (20, 6368672), (32, 3980420), (40, 3184336), (64, 1990210), (80, 1592168), (128, 995105), (160, 796084), (320, 398042), (640, 199021)]