23722520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8353}}^1$

素因数の和:8435

約数の個数: 32

約数和(自身を含む): 54133920

約数和(自身を除く): 30411400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 8353, 16706, 33412, 41765, 66824, 83530, 167060, 334120, 593063, 1186126, 2372252, 2965315, 4744504, 5930630, 11861260, 23722520]

約数ペア:

[(1, 23722520), (2, 11861260), (4, 5930630), (5, 4744504), (8, 2965315), (10, 2372252), (20, 1186126), (40, 593063), (71, 334120), (142, 167060), (284, 83530), (355, 66824), (568, 41765), (710, 33412), (1420, 16706), (2840, 8353)]