72464440

素因数分解:

$2^3\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1913}}^1$

素因数の和:2871

約数の個数: 32

約数和(自身を含む): 163302480

約数和(自身を除く): 90838040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 947, 1894, 1913, 3788, 3826, 4735, 7576, 7652, 9470, 9565, 15304, 18940, 19130, 37880, 38260, 76520, 1811611, 3623222, 7246444, 9058055, 14492888, 18116110, 36232220, 72464440]

約数ペア:

[(1, 72464440), (2, 36232220), (4, 18116110), (5, 14492888), (8, 9058055), (10, 7246444), (20, 3623222), (40, 1811611), (947, 76520), (1894, 38260), (1913, 37880), (3788, 19130), (3826, 18940), (4735, 15304), (7576, 9565), (7652, 9470)]