39957680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71353}}^1$

素因数の和:71373

約数の個数: 40

約数和(自身を含む): 106174752

約数和(自身を除く): 66217072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 71353, 142706, 285412, 356765, 499471, 570824, 713530, 998942, 1141648, 1427060, 1997884, 2497355, 2854120, 3995768, 4994710, 5708240, 7991536, 9989420, 19978840, 39957680]

約数ペア:

[(1, 39957680), (2, 19978840), (4, 9989420), (5, 7991536), (7, 5708240), (8, 4994710), (10, 3995768), (14, 2854120), (16, 2497355), (20, 1997884), (28, 1427060), (35, 1141648), (40, 998942), (56, 713530), (70, 570824), (80, 499471), (112, 356765), (140, 285412), (280, 142706), (560, 71353)]