11720240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{20929}}^1$

素因数の和:20949

約数の個数: 40

約数和(自身を含む): 31143840

約数和(自身を除く): 19423600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 20929, 41858, 83716, 104645, 146503, 167432, 209290, 293006, 334864, 418580, 586012, 732515, 837160, 1172024, 1465030, 1674320, 2344048, 2930060, 5860120, 11720240]

約数ペア:

[(1, 11720240), (2, 5860120), (4, 2930060), (5, 2344048), (7, 1674320), (8, 1465030), (10, 1172024), (14, 837160), (16, 732515), (20, 586012), (28, 418580), (35, 334864), (40, 293006), (56, 209290), (70, 167432), (80, 146503), (112, 104645), (140, 83716), (280, 41858), (560, 20929)]