165740560

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{5869}}^1$

素因数の和:6235

約数の個数: 40

約数和(自身を含む): 386504280

約数和(自身を除く): 220763720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 706, 1412, 1765, 2824, 3530, 5648, 5869, 7060, 11738, 14120, 23476, 28240, 29345, 46952, 58690, 93904, 117380, 234760, 469520, 2071757, 4143514, 8287028, 10358785, 16574056, 20717570, 33148112, 41435140, 82870280, 165740560]

約数ペア:

[(1, 165740560), (2, 82870280), (4, 41435140), (5, 33148112), (8, 20717570), (10, 16574056), (16, 10358785), (20, 8287028), (40, 4143514), (80, 2071757), (353, 469520), (706, 234760), (1412, 117380), (1765, 93904), (2824, 58690), (3530, 46952), (5648, 29345), (5869, 28240), (7060, 23476), (11738, 14120)]