51452440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98947}}^1$

素因数の和:98971

約数の個数: 32

約数和(自身を含む): 124674480

約数和(自身を除く): 73222040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 98947, 197894, 395788, 494735, 791576, 989470, 1286311, 1978940, 2572622, 3957880, 5145244, 6431555, 10290488, 12863110, 25726220, 51452440]

約数ペア:

[(1, 51452440), (2, 25726220), (4, 12863110), (5, 10290488), (8, 6431555), (10, 5145244), (13, 3957880), (20, 2572622), (26, 1978940), (40, 1286311), (52, 989470), (65, 791576), (104, 494735), (130, 395788), (260, 197894), (520, 98947)]