80522920

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{8353}}^1$

素因数の和:8605

約数の個数: 32

約数和(自身を含む): 181950120

約数和(自身を除く): 101427200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 8353, 9640, 16706, 33412, 41765, 66824, 83530, 167060, 334120, 2013073, 4026146, 8052292, 10065365, 16104584, 20130730, 40261460, 80522920]

約数ペア:

[(1, 80522920), (2, 40261460), (4, 20130730), (5, 16104584), (8, 10065365), (10, 8052292), (20, 4026146), (40, 2013073), (241, 334120), (482, 167060), (964, 83530), (1205, 66824), (1928, 41765), (2410, 33412), (4820, 16706), (8353, 9640)]