11917280

素因数分解:

$2^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{353}}^1$

素因数の和:579

約数の個数: 48

約数和(自身を含む): 28368144

約数和(自身を除く): 16450864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 211, 353, 422, 706, 844, 1055, 1412, 1688, 1765, 2110, 2824, 3376, 3530, 4220, 5648, 6752, 7060, 8440, 11296, 14120, 16880, 28240, 33760, 56480, 74483, 148966, 297932, 372415, 595864, 744830, 1191728, 1489660, 2383456, 2979320, 5958640, 11917280]

約数ペア:

[(1, 11917280), (2, 5958640), (4, 2979320), (5, 2383456), (8, 1489660), (10, 1191728), (16, 744830), (20, 595864), (32, 372415), (40, 297932), (80, 148966), (160, 74483), (211, 56480), (353, 33760), (422, 28240), (706, 16880), (844, 14120), (1055, 11296), (1412, 8440), (1688, 7060), (1765, 6752), (2110, 5648), (2824, 4220), (3376, 3530)]