17985520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32117}}^1$

素因数の和:32137

約数の個数: 40

約数和(自身を含む): 47791584

約数和(自身を除く): 29806064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32117, 64234, 128468, 160585, 224819, 256936, 321170, 449638, 513872, 642340, 899276, 1124095, 1284680, 1798552, 2248190, 2569360, 3597104, 4496380, 8992760, 17985520]

約数ペア:

[(1, 17985520), (2, 8992760), (4, 4496380), (5, 3597104), (7, 2569360), (8, 2248190), (10, 1798552), (14, 1284680), (16, 1124095), (20, 899276), (28, 642340), (35, 513872), (40, 449638), (56, 321170), (70, 256936), (80, 224819), (112, 160585), (140, 128468), (280, 64234), (560, 32117)]