25343080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{90511}}^1$

素因数の和:90529

約数の個数: 32

約数和(自身を含む): 65168640

約数和(自身を除く): 39825560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 90511, 181022, 362044, 452555, 633577, 724088, 905110, 1267154, 1810220, 2534308, 3167885, 3620440, 5068616, 6335770, 12671540, 25343080]

約数ペア:

[(1, 25343080), (2, 12671540), (4, 6335770), (5, 5068616), (7, 3620440), (8, 3167885), (10, 2534308), (14, 1810220), (20, 1267154), (28, 905110), (35, 724088), (40, 633577), (56, 452555), (70, 362044), (140, 181022), (280, 90511)]